문자와 식 전체 문제

Selma had a $\text{1-liter}$ bottle of water. If she drank $145$ milliliters, how much water, in milliliters, was left in the bottle?

A college basketball court is $84$ feet long. Convert this length to meters.

Azize walked $4\frac{1}{2}$ miles. Convert this distance to feet. $\text{(1 mile}=\text{5,280 feet).}$

Larry had $5$ phone customer phone calls yesterday. The calls lasted $28,44,9,75,\text{and}\,55$ minutes. How much time, in hours and minutes, did Larry spend on the phone? $\text{(1 hour}=\text{60 minutes)}$

Jamal rides his bike at a uniform rate of $12$ miles per hour for $3\frac{1}{2}$ hours. How much distance has he traveled?

Lindsay drove for $5\frac{1}{2}$ hours at $60$ miles per hour. How much distance did she travel?

Trinh walked for $2\frac{1}{3}$ hours at $3$ miles per hour. How far did she walk?

Rey is planning to drive from his house in San Diego to visit his grandmother in Sacramento, a distance of $520$ miles. If he can drive at a steady rate of $65$ miles per hour, how many hours will the trip take?

Lee wants to drive from Phoenix to his brother’s apartment in San Francisco, a distance of $770$ miles. If he drives at a steady rate of $70$ miles per hour, how many hours will the trip take?

Yesenia is $168$ miles from Chicago. If she needs to be in Chicago in $3$ hours, at what rate does she need to drive?

The formula for area of a triangle is $A=\frac{1}{2}bh.$ Solve this formula for $h:$ - ⓐ when $A=90$ and $b=15$

• ⓑ in general

Steve drove for $8\frac{1}{2}$ hours at $72$ miles per hour. How much distance did he travel?

Socorro drove for $4\frac{5}{6}$ hours at $60$ miles per hour. How much distance did she travel?

Yuki walked for $1\frac{3}{4}$ hours at $4$ miles per hour. How far did she walk?

Francie rode her bike for $2\frac{1}{2}$ hours at $12$ miles per hour. How far did she ride?

Connor wants to drive from Tucson to the Grand Canyon, a distance of $338$ miles. If he drives at a steady rate of $52$ miles per hour, how many hours will the trip take?

Megan is taking the bus from New York City to Montreal. The distance is $384$ miles and the bus travels at a steady rate of $64$ miles per hour. How long will the bus ride be?

Aurelia is driving from Miami to Orlando at a rate of $65$ miles per hour. The distance is $235$ miles. To the nearest tenth of an hour, how long will the trip take?

Kareem wants to ride his bike from St. Louis, Missouri to Champaign, Illinois. The distance is $180$ miles. If he rides at a steady rate of $16$ miles per hour, how many hours will the trip take?

Javier is driving to Bangor, Maine, which is $240$ miles away from his current location. If he needs to be in Bangor in $4$ hours, at what rate does he need to drive?