Answer:
$2.05
Step-by-step explanation:
$8/4 notebooks= $2
.20/4=.05
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$2.05
Answer:
25%
Step-by-step explanation:
Answer:
b. z = 4
Step-by-step explanation:
Multiply both sides of the equation by 1/10. This gives ...
(1/10)·10z = (1/10)·40
z = 4 simplified
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<em>Check</em>
Putting 4 where z is in the original equation should give us a true algebraic expresion. It does.
10·4 = 40 true