William and amy are stuffing envelopes for a charity. today William stuffed a total of 70 envelopes. this was 10 more than twice the number of envelopes that amy stuffed. how many envelopes did amy stuff?

the number of envelopes Amy stuffed = xtwice the number of envelopes Amy stuffed = 2x10 more than twice the number of envelopes Amy stuffed = 2x+10[tex]2x+10=70 \\
2x=70-10 \\
2x=60 \\
x=30[/tex]Amy stuffed 30 envelopes.

william stuffed 70W=70this was 10 more than (+10) twice the number of envelopes (2a) amy stuffedW=10+2Afind AW=7070=10+2Asubtract 10 from both sides60=2Adivide both sides by 230=Aamy stuffed 30 envelopes