An amount of $5200 was invested at a simple interest of 3.5%. What is the amount of interest earned in 8 years?

Multiplication is used for this multiply 5200 by 3.5 8 times

Step-by-step explanation:

5200 × 3.5 × 8 =

145600

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step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.