EEI TECH EEI Tech Mathematical Usage

Question 1

A utility crew completes 3/8 of a job on Monday and 1/4 on Tuesday. What fraction of the job remains?

Accepted Answer

3/8

Answer

3/8 + 1/4 = 3/8 + 2/8 = 5/8 done, so 1 − 5/8 = 3/8 remains.

Question 2

If a wire costs $0.45 per foot, how much do 240 feet cost?

Accepted Answer

$108.00

Answer

0.45 × 240 = $108.00.

Question 3

A transformer operates at 85% efficiency. If 4,000 watts enter, how many watts are output?

Accepted Answer

3,400 W

Answer

4,000 × 0.85 = 3,400 watts output.

Question 4

What is 15% of 320?

Accepted Answer

48

Answer

0.15 × 320 = 48.

Question 5

A technician works 6.5 hours at $18/hr and 3 hours overtime at 1.5× regular pay. What is the total pay?

Accepted Answer

$189.00

Answer

Regular: 6.5 × $18 = $117; overtime: 3 × $27 = $81; total = $198, closest answer is $189 — wait, let me recalculate: 6.5×18=117, 3×27=81, total=198. The answer is $198.00.

EEI TECH Test Practice Test

EEI TECH Test Practice Test

EEI TECH EEI Tech Mathematical Usage