Answer:
$24.45
Step-by-step explanation:
6.65 + 4 + 7.15 + 6.65 = 24.45
Evaluate this...

the x at the bottom cancels out one of the xs at the top so it will be

Now the one cancels out one of the 1s in the -4 so

Hope this helps :)
I think it’s 160
Because 90+70=160