3 years ago

S varies directly as T. If S is 20 when T is 4, then T is ao when S is 30.

Mathematics

1 answer:

Travka [436]3 years ago

7 0

Answer:6

Step-by-step explanation:

S is directly proportional to T

S=kT where k is any constant

In first case 20=k(4) which means k=5

Hence

S=kT

30=kT

30=5 (T)

=> T=6

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