ruthgerlie305
contestada

A school ends the year with 651 students. This is a 5% increase from the start of the school year.

Use the drop-down menus to build an equation that could be used to find the number of students, n, that were at the school at the start of the school year.
Math item stem image
CLEAR

Respuesta :

ReinaInoue
ANSWER:

n = 1.05n divided by 105 times 100

OR

n = (the number of students at the END of the school year) divided by 105 times 100

WORKING OUT:

1.05n = 651 students
1n = 651/105 times 100 = ANSWER

651-n/n=0.05

the amount of change/original amount=percent change as a decimal