Well she has $10 and each spinach is $3 so she can not but no more than 3.
Its 4-6=2 its easy because just keep useing numbers until the become two
You just find out what the missing variable is by subtracting 88 from 107 on the first one. You do the same for the last too as-well, but just insert the numbers that they say.
Happy Friday!!
8793 attendees and your welcome tell me if I got it wrong please