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Debora [2.8K]
3 years ago
6

Find the value of 5(a-4b) when a =-7 and b=1/4

Mathematics
1 answer:
tatiyna3 years ago
3 0

Answer:

- 40

Step-by-step explanation:

5(a - 4b) \\  = 5 \bigg(- 7 - 4 \times \frac{1}{4} \bigg ) \\ = 5 \bigg(- 7 - 1 \bigg ) \\  = 5 \times ( - 8) \\  =  - 40

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