Word Problem Wednesday Wk 15

A solid wooden post in the shape of a right rectangular prism measuring 8 cm by 12 cm by 30 cm is drilled with a cylindrical hole of circumference 6π cm. Find the volume of the post after the hole has been drilled.

Round your answer to the nearest tenth, if necessary.

___________ cm³

Mathematical Equivalence

ON

Harper is going to invest in an account paying an interest rate of 4.5% compounded monthly. How much would Harper need to invest for the value of the account to reach $96,000 in 5 years?

Round to the hundredths place.

$___________

Mathematical Equivalence

ON

Working alone, Willie can oil the lanes in a bowling alley in 9.5 hours. One day his friend Anjali helped him and it only took 4.34 hours. Find how long it would take Anjali to do it alone.

Round your answer to the hundredths place.

________ hrs

Mathematical Equivalence

ON

Ryan can mop a warehouse in ten hours. Trevon can mop the same warehouse in nine hours. How long would it take them if they worked together?

Round your answer to the hundredths place.

__________ hrs

Mathematical Equivalence

ON

A robot vacuum cleans a dirty floor using multiple passes. During each pass, 19% of the dirt is removed. If the floor initially has 520.0 ml of dirt, how much dirt will remain after 8 passes?

Round your answer to the tenths place.

____________ ml of dirt

Mathematical Equivalence

ON

If you place a 39-foot ladder against the top of a building and the bottom of the ladder is 33 feet from the bottom of the building, how tall is the building? Round to the nearest tenth of a foot.

________ ft

Mathematical Equivalence

ON