Answer: 3x-180
Step-by-step explanation:
Given: Expression for Revenue =
Expression for Cost =
If profit is the difference between the revenue and the cost then the expression for profit will be:
Profit = Revenue - cost
Hence, the expression represents the profit is 3x-180 .
Answer:
$2520
Step-by-step explanation:
→ Work out the area of the drive way
18 m × 4 m= 72 m²
→ Multiply the area by the cost per square metre
72 m² × $35 = $2520
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Mixed = 21/5
percent = 21/5 × 100%
= 420%
Answer:
14 problems worth 5 points and 15 problems worth 2 points
14 x 5 = 70
15 x 2= 30
70 + 30= 100
14+15 = 29 5 x 14 + 2 x 15=100