IMathAS-libretexts

Integer Applications: Multiplication

Represent the application problems using multiplication in symbolic form, then find the product.

Note: Use an * for the multiplication symbol.

Word Problem	Symbolic Form Example: $\displaystyle {5}\cdot{\left(-{3}\right)}$	Product Example: $\displaystyle -{15}$
Sara hiked down a mountain for $\displaystyle {3}$ hours. Each hour, her elevation decreased by $\displaystyle {8}$ meters. Compute her change in elevation in meters relative to her starting point.		meters
A baby gained $\displaystyle {5}$ ounces per month for $\displaystyle {8}$ months. Find the baby's total change in weight relative to her original weight.		ounces
Leslie bought coffee $\displaystyle {7}$ days this month and charged it to her checking account. She spent $\displaystyle {9}$ dollars each time she visited the store. Determine the change in dollars in her checking account.		dollars
Tally spent $ $\displaystyle {90}$ at the fair. Tony spent $\displaystyle {6}$ times as much as Tally. Determine the change in Tony's account after attending the fair.		dollars