Grace has enough money to buy 45 bricks. If the bricks each cost 10 cents less, Grace could buy 5 more bricks. How much money does Grace have to spend on bricks?
Choose the correct choice:
A) $100  B) $50  C) $45  D) $40  E) $30
45 bricks at $1 each = 45*$1.00 = $45.   50 bricks at ($1 - $0.10) each 45* 1.00= 
<gadget id="calculator">45* 1.00</gadget>
<output>45</output>
$45.   50 bricks at ($1 - $0.10) each= 50*$0.90 = $45   This gives us $4550* 0.90= 
<gadget id="calculator">50* 0.90</gadget>
<output>45</output>
$45   This gives us $45
<result>C</result>
Grace has enough money to buy 45 bricks. If the bricks each cost 10 cents less, Grace could buy 5 more bricks. How much money does Grace have to spend on bricks?