codyfore141
16.04.2020 •
Mathematics
RILEY EARNED $450 MOWING LAWNS. HE DEPOSITS $75 IN THE BANK. HOW MUCH $$$ DOES RILEY HAVE LET OVER TO SPEND?
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Ответ:
28b-1008=7b
21b=1008
b=48
a/72=28/b
a=72x28/48
a=42