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hichkok12 [17]
2 years ago
13

If 50% of a number is 150 and 30% of the same number is 90, find 80% of that number.

Mathematics
2 answers:
olya-2409 [2.1K]2 years ago
8 0

Answer:

A. 240

B. 225

Step-by-step explanation:

50% of ? = 150

80% of ? = 150 x (80%/50%)
80/50 = 1.6

%/% = 1

1.6 x 1 = 1.6

80% of 300 = 150 x 1.6

150 x 1.6 = 240

80% of 300 = 240.

25% of 900 = ?

900 x 25 = 22500

22500/100 = 225

900 x 25% = 225

225 people bring their lunch to school on Thursday.

Natali [406]2 years ago
5 0

Answer:

5/100x900=180

Step-by-step explanation:

answer 180

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