Jonas bought 3 books. Each book was the same price. He also used a coupon that takes $20 off the total cost. What expression can
1 answer:
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(a)
(b)
(c)
Solution:
To write each of the given expression in the form :
(a)
Using exponential rule:
(b)
Divide numerator and denominator by the common factor 2, we get
Using exponential rule:
(c)
Divide numerator and denominator by the common factor 7, we get
Using exponential rule:
