Ria  bought three hotdogs and five hamburgers for$32.75.if however Zaryia had bought four hotdogs and four hamburgers she would have paid $29.00. Calculate the price ria paid her hot dog and hamburger to the nearest cent

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.8: The Real Numbers
Problem 1.219TI: Write as the ratio of two integers: (a) 24 (b) 3.57.
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Ria  bought three hotdogs and five hamburgers for$32.75.if however Zaryia had bought four hotdogs and four hamburgers she would have paid $29.00. Calculate the price ria paid her hot dog and hamburger to the nearest cent
Substituting s=4 in gives us
5x4 + 15j= 95
20 + 15j = 95
ie.
15j = 95-20 = 75
j=-
75
= 5
15
Hence s = 4 and j = 5.
= Exercise 6r
1. Ria bought 3 hot dogs and 5 hamburgers for
$32.75. If, however, Ria had bought 4 hot dogs
and 4 hamburgers she would have paid $29.00.
Calculate the price Ria paid per hot dog and per
hamburger, to the nearest cent.
2. Mrs. Monty bought 10 chickens and 4 ducks
for $274. If, however, she had bought 4 chíck-
ens and 3 ducks the total cost would have been
$160. Write down two equations in e and d to
represent the information given above. Hence
solve the equations to determine the cost of a
chicken and the cost of a duck.
Nine books are to be bought by a student. Some
Transcribed Image Text:Substituting s=4 in gives us 5x4 + 15j= 95 20 + 15j = 95 ie. 15j = 95-20 = 75 j=- 75 = 5 15 Hence s = 4 and j = 5. = Exercise 6r 1. Ria bought 3 hot dogs and 5 hamburgers for $32.75. If, however, Ria had bought 4 hot dogs and 4 hamburgers she would have paid $29.00. Calculate the price Ria paid per hot dog and per hamburger, to the nearest cent. 2. Mrs. Monty bought 10 chickens and 4 ducks for $274. If, however, she had bought 4 chíck- ens and 3 ducks the total cost would have been $160. Write down two equations in e and d to represent the information given above. Hence solve the equations to determine the cost of a chicken and the cost of a duck. Nine books are to be bought by a student. Some
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