I dont know plz help

Step-by-step explanation:

805 - i set up an equation:

700(1.15)

1.15 since a 15% increase is basically 700 * 0.15 + 700, equal to 1.15 * 700

= 805

hope that helped!! :)

805 students

Step-by-step explanation:

First we have to figure out what is 15% of 700

Which would be 105 more students

Then we would just add that to the students now which would equal..

700 + 105 = 805 students

Hope this helps ;)

step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: