175k views
5 votes
The drama club spent $100 for a venue and $8.50 per person on food for a cast party. The total cost of the party was $329.50. How many people were at the

cast party
027 people
222 people
238 people
1951 people

User Collene
by
5.0k points

2 Answers

4 votes

Explanation:

Question 2

To convert a percentage into a decimal, divide by 100:

⇒ 4% = 4 ÷ 100 = 0.04

⇒ 25% = 25 ÷ 100 = 0.25

If a is 4% of b then: a = 0.04b

If b is 25% of c then: b = 0.25c

Substitute the second equation into the first:

⇒ a = 0.04b

⇒ a = 0.04(0.25c)

⇒ a = 0.01c

As 0.01 = 0.01 × 100 = 1%

Therefore, a is 1% of c.

⇒ a = 0.01c

⇒ a ÷ 0.01 = c

⇒ 100a = c

As 100 = 100 × 100 = 10,000%

Therefore, c is 10,000% of a.

User Wlf
by
5.2k points
2 votes

Answer:

027 people

Explanation:

(329.5 -100)/8.5

User Peter Kluegl
by
4.8k points
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