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MissTica
3 years ago
13

Find the whole using the percent proportion.

Mathematics
1 answer:
MAVERICK [17]3 years ago
3 0

Answer:390

Step-by-step explanation:

130% of a=507

130/100 x a=507

13/10 x a=507

13a/10=507

Cross multiplying we get

13a=507x10

13a=5070

Divide both sides by 13

13a ➗ 13=5070 ➗ 13

a=390

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