17enash 17enash

20-01-2021
Mathematics

contestada

F is directly proportional to a . If F = 28 when a = 7 find, a when F = 40

Respuesta :

musiclover10045 musiclover10045

20-01-2021

Find the direct proportion:

28/7 = 4

When F is known divide it by the proportion to get a:

A = 40/4

A = 10

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