Maths Class 5 Money

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

How many colorful plates did the girl buy?
She bought a total of 200 plates.
The colorful ones cost Rs 50 each while the plain ones cost Rs 20 each.
She paid Rs 7600 in all.

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A 80
B 90
C 100
D 120

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Answer: D. 120

Let x be the number of colorful plates and (200-x) be the number of plain plates.
50x +20(200-x) =7600 ,
30x + 4000= 7600
30x = 3600 and x = 120

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How many colorful plates did the girl buy? She bought a total of 200 plates. The colorful ones cost Rs 50 each while the plain ones cost Rs 20 each. She paid Rs 7600 in all.

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How many colorful plates did the girl buy?
She bought a total of 200 plates.
The colorful ones cost Rs 50 each while the plain ones cost Rs 20 each.
She paid Rs 7600 in all.