3 years ago

The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many more girls than boys are there?

Mathematics

1 answer:

lisov135 [29]3 years ago

4 0

Answer:

Step-by-step explanation:

sum the parts of the ratio, 3 + 4 = 7 parts

Divide the number of students by 7 to find the value of one part of the ratio

35 ÷ 7 = 5 ← value of 1 part of the ratio, then

3 parts 3 × 5 = 15 ← number of boys

4 parts = 4 × 5 = 20 ← number of girls

20 - 15 = 5

There are 5 more girls than boys

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