SOLUTION: A shop finds that the number N of icecreams it sells is related to temperature T degree celcius by the formula N= 150+2.5T for 20 < T < 30 a) find N when T is 22 b) make T the s

Question 1036155: A shop finds that the number N of icecreams it sells is related to temperature T degree celcius by the formula N= 150+2.5T for 20 < T < 30
a) find N when T is 22
b) make T the subject of the formula
c) find T if N=220

NOTE
kindly answer ASAP.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

--------------------
(a)

-------------------
(b)

Subtract from both sides

Divide both sides by

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(c)

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