A student chose a number, multiplied it by 4, then subtracted 138 from the result and got 102.

A student chose a number, multiplied it by 4, then subtracted 138 from the result and got 102. What was the number he chose?

Answer/Solution

60

Steps/Work

Solution:
Let xx be the number he chose, then
4⋅x−138=102
4x=240
x=60
Answer A

General Calculator / Auto Solver

A student chose a number, multiplied it by , then subtracted from the result and got . What was the number he chose?

Calculated Answer

60

Step by Step Solution

In order to solve problem, you must evaluate (n₁ + n₂) / n₀.

n₀ =	4
n₁ =	138
n₂ =	102

(n₁ + n₂) / n₀
Evaluate n₁ + n₂ = 240
240 / n₀
Evaluate 240 / n₀ = 60
60
The answer to the problem and the result of (n₁ + n₂) / n₀ is 60