Just for fun: What is the four-digit number (no zeros) in which the first digit is double the last, the second is half the last, the third is the sum of the second and last, and all the digits add up to 20?

Q: So what would be the answer for the 4 blanks.

A: Given:Matrix multiplication order:and That is a matrix with only one element.Hence, the order of…

Q: Judi purchased a real estate lot for $24,000. She sold it 2 years later 5 1- for 8 times as much as…

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Q: (b) Ten times the sum of nine and seven

A: Solved given problem follow step below.

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Q: Twenty-five is nine more than four times a number.

A:

Q: Cleo writes down her four favorite numbers. When she takes three of them at a time and calculates…

A: The four numbers are a, b, c, and d.

Q: Lisa is four years younger than her sister. Which expression stands for the sum of Lisa’s age and…

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Q: how to translate the sum of 3 consecutive even integers if the largest is y into a expression

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Q: boat is worth $7000 when it is 5 years old and $2000 when it is 10 years old. What was the boat…

A: Here we will find out the required value.

Q: A dry cleaning firm has 20 employees: 13 women and 7 men. Two of the women and seven of the men are…

A:

Q: A man went to the store to buy some gum. The man had some change (three quarters, 2 nickels, one…

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Q: What is one less than twice a number

A:

Q: If a number is multiplied by -7 and the product was increased by -7 then the sum was doubled and the…

A: Here we have to find the unknown number.