Margo can purchase tile at a store for $.99 per tile and rent a tile saw for $10. At another store she can borrow the tile saw f
or free if she buys tiles there for $1.49 per tile. How many tiles mushy by for the cost to be the same at both stores?
1 answer:
Answer:
The indifference point is 20 tiles.
Step-by-step explanation:
<u>First, we need to establish the total cost formulas for each store:</u>
<u></u>
Store 1:
Total cost= 10 + 0.99*x
Store 2:
Total cost= 1.49*x
x= number of tiles
<u>Now, we equal both formulas and isolate x:</u>
10 + 0.99x = 1.49x
10= 0.5x
10/0.5=x
20=x
The indifference point is 20 tiles.
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