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aev
[14]
3 years ago
6
margo can purchase tile at a store for $0.79 per tile and rent a tile saw for $24.At another store she can barrow the tile saw f
or free if she buys tiles there for $1.19 per tile. How many tiles must she buy for the cost to be the same at both stores?
Mathematics
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2
answers:
Flura
[38]
3 years ago
8
0
T=number of tiles bought
cost at store 1 is 0.79t+24
cost at store 2 is 1.19t
when will be equal cost?
0.79t+24=1.19t
minus 0.79t from both sides
24=0.4t
divide both sides by 0.4
60=t
answer is 60 tiles
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Elodia
[21]
3 years ago
3
0
24 + 0.79t = 1.19t
24 = 1.19t - 0.79t
24 = 0.40t
24/0.40 = t
60 = t
they will be equal at 60 tiles
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