Step-by-step explanation:
Price of a book costing sh.250
reduced to sh.200
percentage decrease on the price = (250-200)/250×100
= 20%
Divide 5 by 89 and you get a=17.8
PR : RC = PQ : AC
so,
PQ = 2.8 inches
Hope this helps
Answer:
i guess it is 3a^3-20a^2+16a-24