Chapter7: Systems Of Equations And Inequalities
Section7.2: Systems Of Linear Equations: Three Variables
Problem 60SE: In a bag, a child has 325 coins worth $19.50. There were three types of coins: pennies, nickels, and...
Related questions
Question
Hi I really need help with my math I really need the first problem which is number 4 pls done so I can know how to do it pls help
![Think: This rule works for all of the given pairs of numbers, so it is correct.
biographies combined. How many books of each type does the store have?
For each of the following problems, devise a plan for finding the solution and carry out the plan.
3. Three consecutive integers have a sum of 24 and a product of 504. What are the integers?
2 A bookstore has twice as many biographies as autobiographies. The store has 81 biographies and auto-
read the cents part on the price per mug (50¢) but not the dollar amount. The total cost was an even dollar
amount. She was sure that both digits on the total cost were the same, but she was not sure what the numbers
1. Matt scored three more goals than Mark during the soccer season. If the number of goals Mark scored we
4. Jessica found that the bill for 16 mugs ordered by the restaurant had digits blurred by water damage. She could
doubled and then decreased by one, the result would equal the number of Matt's goals. How many goals dia
hecking until yo ten
As correct for
Does the rule work
for the second pair of
numbers?
Check
Does the rule work
for the third pair of
numbers?
correct
Guess
STned కుar
Check
Does the rue work
for the founthn pair ef
numbers?
Guess the rule.
1-4 = -3+ 6; no
3.2
-2-4 = -6
4(0) + 2 = 2; yes
4(1) + 2 = 6; yes
4(-2) +2=-6
y= 4r+2
Multiplie
and then t
y=x-4
4(-1)+2=-2yes
Consider
by 3 w
by 3 des
y to
sarya
I Exercises
Mark score? How many did Matt score?
If one
tion E
were. What do you think the total price was? Explain your answer.
As
5. Guess a rule that when applied to the set of numbers
(2, 4, 6, 10} gives the set of numbers {7, 11, 15, 23}
respectively.
side
The
Mu.
6. There are emus and llamas in a fenced field of an
exotic animal farm. Melody tells Amber that she
counts 60 feet and 18 heads behind the fence. How
many of each animal are in the field?
I-
1. Peanuts cost $3.25/1b. and cashews cost $6.15/lb. If a
20 lb. mix of these two nuts is made and costs a total
of S85.30, how many pounds of each type of nut are
in the mix?
Llamas are beasts of burden, A 300 lb. Illama can carry from
75 to 90 lb.
JAPTER 3
BASIC EQUATIONS](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1cdc5cd2-f528-4a1b-847f-7bc225324559%2Fbe64b7b6-710e-4295-90e2-0d21c4ceaf79%2Fsw46kcu_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Think: This rule works for all of the given pairs of numbers, so it is correct.
biographies combined. How many books of each type does the store have?
For each of the following problems, devise a plan for finding the solution and carry out the plan.
3. Three consecutive integers have a sum of 24 and a product of 504. What are the integers?
2 A bookstore has twice as many biographies as autobiographies. The store has 81 biographies and auto-
read the cents part on the price per mug (50¢) but not the dollar amount. The total cost was an even dollar
amount. She was sure that both digits on the total cost were the same, but she was not sure what the numbers
1. Matt scored three more goals than Mark during the soccer season. If the number of goals Mark scored we
4. Jessica found that the bill for 16 mugs ordered by the restaurant had digits blurred by water damage. She could
doubled and then decreased by one, the result would equal the number of Matt's goals. How many goals dia
hecking until yo ten
As correct for
Does the rule work
for the second pair of
numbers?
Check
Does the rule work
for the third pair of
numbers?
correct
Guess
STned కుar
Check
Does the rue work
for the founthn pair ef
numbers?
Guess the rule.
1-4 = -3+ 6; no
3.2
-2-4 = -6
4(0) + 2 = 2; yes
4(1) + 2 = 6; yes
4(-2) +2=-6
y= 4r+2
Multiplie
and then t
y=x-4
4(-1)+2=-2yes
Consider
by 3 w
by 3 des
y to
sarya
I Exercises
Mark score? How many did Matt score?
If one
tion E
were. What do you think the total price was? Explain your answer.
As
5. Guess a rule that when applied to the set of numbers
(2, 4, 6, 10} gives the set of numbers {7, 11, 15, 23}
respectively.
side
The
Mu.
6. There are emus and llamas in a fenced field of an
exotic animal farm. Melody tells Amber that she
counts 60 feet and 18 heads behind the fence. How
many of each animal are in the field?
I-
1. Peanuts cost $3.25/1b. and cashews cost $6.15/lb. If a
20 lb. mix of these two nuts is made and costs a total
of S85.30, how many pounds of each type of nut are
in the mix?
Llamas are beasts of burden, A 300 lb. Illama can carry from
75 to 90 lb.
JAPTER 3
BASIC EQUATIONS
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