Question

File attached, long question so fan and medal.

Answer 1

each person deposits x.

so both of them together deposit 2x.

2x = 20 + 70 is the equation. solve for x

Answer 2

what sign am i using
is it
< or >

Answer 3

good point. i just reread it.

since they say at least 70:\[2x \ge 90\]

Answer 4

thanks :)