Answer:
Step-by-step explanation:
Add and
on both sides.
Add or subtract like terms.
Divide on both sides.
is the independent variable now.
Tammy bought 20 pounds of flour for $11. How many pounds of flour did she get per dollar?
2 answers:
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Step-by-step explanation:
From given data,
n = 1496
x = 478
Proportion estimate ( p ) =
= = 0.3195 ≅ 0.31
Proportion estimate ( p ) = 0.31
∴ The proportion of new car buyers who prefer foreign cars -> 0.31
Step-by-step explanation:
taking common (a-b)
so we get the answer
