The thickness of a deep dish pizza is approximately 2 x 10^-1 feet. the thickness of a thin crust pizza is approximately 5 x 10^-2 feet. how many times smaller is the thickness of a thin crust pizza compared to the thickness of a deep dish pizza? a. 0.25b.0.4c4d25

The thickness of the deep dish can be evaluated by converting  to a decimal.  .  We multiply 2(0.1) and get 0.2 feet for the thickness of the deep dish pizza.
The thickness of the thin crust can be evaluated in a similar way.  .  5(0.01) = 0.05 ft for the thin crust pizza.
We don't know how many times bigger the deep dish is, so that is our variable.  That gives us:
(the thickness of the thin crust multiplied by an unknown factor equals the deep dish)
Divide both sides by 0.05:
The deep dish is 4 times bigger than the thin crust, which means the thin crust is 4 times smaller than the deep dish.

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