1 Find two numbers whose sum is 138 and whose dierence is 88.
2 Find two numbers whose sum is 36 and whose dierence is 9.
3 Six stools and four chairs cost $58, while five stools and two chairs cost $35.
a How much do ten stools and four chairs cost?
b How much do four stools cost?
c How much does one stool cost?
4 A belt and a wallet cost $42, while seven belts and four wallets cost $213.
a How much do four belts and four wallets cost?
b How much do three belts cost?
c How much does one belt cost?
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