Answer:
20
Explanation:
STEP 1 15.4 = 77% × Y
STEP 2 15.4 =
77
100
× YMultiplying both sides by 100 and dividing both sides of the equation by 77 we will arrive at:
STEP 3 Y = 15.4 ×
100
77
STEP 4 Y = 15.4 × 100 ÷ 77
STEP 5Y = 20 you can easily calculate 15.4 is 77 percent of what number by using any regular calculator, simply enter 15.4 × 100 ÷ 77 and you will get your answer which is 20