At a coin collector shop, a rare US coin was recently marked up 50% and is now selling for $210 how much was the coin before the mark up?

Kareem inserted 2 quarters into a dryer at a laundromat, and the dryer ran for 12 minutes. At this rate, for how long would the dryer have run if Kareem had inserted 8 quarters instead? 16 minutes 18 minutes 48 minutes 96 minutes

7 divided by what equals 7.35

A machine can produce 250 items per hour. If the operator of the machine works 40 hours per week, how many items are made by this machine in one year?

How do you round 201.5276

Find the quotient and reminder: 2,697/12

Definition of congruent

86.17 hrs divide into 30 days

2. A chain 5 links long is joined to a chain 7 links long. How many links long is the resulting chain?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term