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A lady bought plates and bowls, 24 items in all. The price of each bowl was 60 cents; the price of each plate was 75 cents. The cost of the whole purchase was $15. How many plates did the lady buy?

Respuesta :

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plate    bowl         total
.60          .75          1.35
8.4(14)     7.5(10)    15.9
7.8(13)      8.25(11)  16.05
9.6(16)      6(8)          15.6
9(15)         6.75(9)     15.75
13.8(23)   .75           14.55
13.2(22)    1.5(2)     14.7
12.6(21)     2.25(3)  14.85
12(20)      3(4)         15



answer: 4
 

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