An elevator starts at the lobby and makes 4 stops. The positive numbers stand for
going up, and the negative numbers stand for going down. Which expression gives the
total number of floors traveled during the 4 stops?

22 dimes and 9 nickels

step-by-step explanation:

answer: it's upside down and i can't read it

step-by-step explanation:

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years

answer:

it is 28 degrees colder in detroit than philadelphia.

step-by-step explanation:

what number adds to 21  

-7 + ? = 21

-7 + 28 = 21

hope it