S=3f-24
s+24=3f
(s+24)/3=f
f=(s+24)/3
Answer:
$38.00
Step-by-step explanation:
You purchase 4 large pizzas.
Each one costs $9.50
Total expenditure on pizza = $9.50 × 4 = $38.00
Answer: Paul can set up his studio and have $378 left over.
Step-by-step explanation:
In order to setup his own recording studio, he needs to purchase four speakers at $435 apiece. It means that the cost of 4 speakers is
4 × 435 = $1740
He also needs to purchase two mixers at $772 apiece. It means that the cost of 2 mixers is
772 × 2 = $1544
He also needs to soundproof a room, which will cost him $838. Therefore, the total cost of all he needs is
1740 + 1544 + 838 = $4122
If Paul has $4,500 in his savings account, then Paul can set up his studio and have $378 left over because
4500 - 4122 = $378
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