Question

Anna is organizing 40 sheets of red and blue scrapbook paper. She places 15 blue sheets in each of 2 folders. Then she splits the red sheets equally between the 2 folders. Three of these equations can be used to solve for n, the number of red sheets in each folder. Which equation CANNOT?
2n + 15 = 40
2(n + 15) = 40
2n + 30 = 40
n = 5

Answer 1

please help

Answer 2

the answer is the first one

Answer 3

thank u

Answer 4

can u help with 1 more

Answer 5

sure

Answer 6

What number does ▲ stand for in this equation?
6 × 3 = (▲ × 5) – (▲ × 2)
18
9
7
6

Answer 7

the answer is 6

Answer 8

@malikastar thank u

Answer 9

no problem :)