A phone chain is used to alert a phone chain. Mary calls 4 people. Those 4 people each call 4 people. Those additional people call 4 more people. How many people have been called

Devin has started a lawn care service. He will charge a mowing fee of $10 plus $3 per square yard of lawn. He also offers trimming service, at $8 plus $1 per yard of the perimeter.

4. On a beach trip, Lucy rents a bike from "Wheels by the Waves", where they rent bikes for $12 plus $3 per hour. If Lucy spent $30, how many hours (h) did she rent a bike?

Add: fraction--> 3/10 + 4/100<---fraction = (write your answer as a fraction)

In a state with 8.25% tax, someone buys an article marked 15% discount. When the price is worked out, does it matter if the tax is added first and then the discount taken off, or if the discount is taken off and then the tax is added?

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you mame a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one.

If 1/3 of flour is used to make 5 dinner rolls how many rolls can you make with 5 and 2/3 cups of flour?

What is the value of 7 (10 - 16) + 8 : 2?

A 100-gallon fish tank fills at a rate of x gallons per minute. The function is f (x) = 100/x. If the tank has been filling for 20 minutes, the total time to fill the tank is represented by the function f (x) = 100/x + 20.

Find the circumference and area of a circle with a diameter of 26 meters. Leave your answers in terms of it

18 yards equals how many feet