Question

a/4=b/5=c/7=3a-2b+5c=16-10+21​

Answer 1

Given:-

• a = 4
• b = 5
• c = 7

To Find:-

• 3a - 2b + 5c

Solution:-

(3 × 4) - (2 × 5) + (5 × 7)

= 12 - 10 + 35

= 47 - 10

= 37

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Additional Information:-

• + × - = -
• + × + = +
• - × - = +