3. Mrs Lin bought 12 pears and 4 apples. Mrs Wang bought 12 apples and 4 pears. Mrs Wang paid $1.60 less than Mrs Lin. If an apple cost 35 cents, how much did a pear cost?
L [4 A + 4 P][ 8 P ]
W [4 A + 4 P][ 8 A ]< $1.60 >
8 P --> 8 x 0.35 + 1.60 = 4.40
1 P --> 4.40 ÷ 8 = $0.55
A pear cost $0.55.
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