How would I go about solving 12,15,18 thanks

Mathematics

1 answer:

grigory [225]3 years ago

3 0

For 12, you would do 90=4x+42, and 48=4x, and x=12
for 15, you would do 90=8x+66, and 24=8x, and x=3
for 18, you would do 90=3x+57, and 33=3x, and x=11

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