Asked by aj
how many tickets did i buy if i spent £30 formula is C=20+0.1t
Answers
Answered by
MathMate
Put C=30 to get
30 = 20 + 0.1t
subtract 20 on each side to get
10 = 0 + 0.1t
Now multiply by 10:
10*10 = 10*0.1t
Solve for t.
30 = 20 + 0.1t
subtract 20 on each side to get
10 = 0 + 0.1t
Now multiply by 10:
10*10 = 10*0.1t
Solve for t.
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