Question

32% of 150 + X% of 410 = 65% of 220 – 13

• A. 15
• B. 25
• C. 30
• D. 20

Answer 1

Answer:

D. 20

32% of 150 + X% of 410 = 65% of 220 – 13 32/100 × 150 + X/100 × 410 = 65/100 × 220 - 13 48 + X/100 × 410 = 143 - 13 X/100 × 410 = 143 - 13 - 48 X/100 × 410 = 82 X = 82 × 100/410 = 20