PLEASE HELP!! Suppose that the event of picking a face card from a standard deck of 52 cards is considered a success. If a card
1 answer:
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Answer:
Step-by-step explanation:
Let's say the Physics book costs $x
The Chemistry book will cost $x - $6
Two such Chemistry books will cost;
2($x - $6) = $(2x - 12)
Three such Physics books cost $3x
$(2x - 12) + $3x = $123
$5x - $12 = $123
$5x = $111
x = $22
So the Physics book costs; $22
and the Chemistry book costs $22 - 6 = $16
Answer:
Step-by-step explanation:
80 divided by 7 is 11 with a remainder of 3.