one fourth of the 7th grade students made honor roll in the first quarter. the number of honor roll students increased by 18 in

Question

3 years ago

15

the second quarter. If 105 students made honor roll in the second quarter. How many total 7th graders are there?

1 answer:

Mandarinka [93] · Answer 1 · 2022-01-31T21:22:59+03:00

3 0

1/4 of x students made the honor roll in the first quarter

1/4 of x plus 18 equals 105

1/4 x + 18 = 105

1/4 x + 18 - 18 = 105 - 18

1/4 x = 87

Reciprocal to isolate variable

4/1(1/4 x) = 87(4/1)

x = 348

There is a total of 348 students in 7th grade