Someone me solve this:

noelle spent $36 on books and pens. she spent $12 more on books than she did on pens. how much did she spend on books?

i need with figuring out how to write the equation and solving it.

Noelle spent $24 on books

Step-by-step explanation:

36-12=24 she spent 24 on books and 12 on pens. 24+12=36. I hope this is right and I hope this helps!

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

hi! i think the answer is 1/2 : )