sophia has a total of 32 pictures. she has 17 pictures that are 5 millimeters wide. the rest of her pictures are 6 millimeters w
ide. what is the value of w, the total width of all of sophia's pictures?
1 answer:
<em>w = </em>(<em />5<em>a</em>)+(6<em>b</em>)
w = width
a = # of 5mm pictures
b = # of 6mm pictures
From this we can see what is a and b:
32 - 17 = 15
a = 15
b =15
The 5mm wide pictures:
5 × 17 = 85
The 6mm wide pictures:
6 × 15 = 90
Now we add 'em up:
90 + 85 = 175mm
175mm
17.5cm
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