Solve the proportion (find the value of x):9/14 = x/56
Answer(s): C
The first step to solving a proportion problem is to rewrite the problem as a fraction.Then you cross-multiply and solve the resulting equation. 14x = (9)(56)14x = 504x = 504/14 x = 36
How many centimeters are there in a foot?
There are 2.54 cm in one inch, and 12 inches in a foot. (12)(2.54) = 30.482.54 cm = 1 inch0.39 inch = 1 cm
Joe makes $20 an hour and Tim makes $30 an hour. How many hours more than Tim must Joe work to earn the same amount Tim makes in 4 hours?
Answer(s): B
Tim will make $120 in 4 hours and Joe will need 6 hours to make $120. So 6 − 4 = 2
Solve for x:3(x − 4) = 18
Answer(s): D
This is a basic algebra problem where you are need to solve for a variable. To solve this, first divide both sides by 3: 3(x − 4) = 18 x − 4 = 18/3 x − 4 = 6Then solve for x:x − 4 = 6x = 6 + 4x = 10
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