sanaiajohnson56
02.07.2019 •
Mathematics
Simplify the expression 225/ (7 - 4)^2 - 15 show all your work, !
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Ответ:
225 / (7−4)^2 −15
= 225 / 3^2 −15
= 225 / 9 −15
= 25−15
= 10
So the Answer is 10
Ответ:
after 6 years kalil age = y+6
sarai age = y+5+6
total =43
y+6+y+5+6=43
2y=43-17
y=26/2=13
kalil age=13
sarai age=13+5=18