Karina is baking bread. She buys a small bag of flour that contains 2
="TexFormula1" title="\frac{2}{3}" alt="\frac{2}{3}" align="absmiddle" class="latex-formula">cups of flour. The recipe calls for 2 
cups of flour. Does she have enough flour to bake the bread? Explain how she can compare the fractions to know for sure.
2 answers:
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Answer:
Part 1) The volume of the ball is 256 cm³
Part 2) The radius of the ball is 3.94 cm
Step-by-step explanation:
Part 1) we know that
The density is equal to divide the mass by the volume
D=m/V
Solve for the volume
The volume is equal to divide the mass by the density
V=m/D
In this problem we have
m=128 g
D=0.5 g/cm³
substitute
V=128/0.5=256 cm³
Part 2) what is the radius of the ball?
we know that
The volume of the sphere (ball) is equal to
we have
assume
substitute and solve for r