RealSavage4Life
05.05.2020 •
Mathematics
A cake recipe calls for 550 grams of flour. About how many pounds of flour do you need? Use the conversion factors StartFraction 1 ounce Over 28.4 grams EndFraction and StartFraction 1 pound Over 16 ounces EndFraction .
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Ответ:
The question is:
A cake recipe calls for 550 grams of flour. About how many pounds of flour do you need? Use the conversion factors (1 ounce)/(28.4 grams) and (1 pound)/(16 ounces).
About 1.2 pounds of flour is needed.
Step-by-step explanation:
Given that the cake recipe calls for 550 grams, we want to determine about how many pounds of flour we need.
This simply means we want to convert 550 grams to pounds.
First, we were given (1 ounce)/(28.4 grams)
This implies that
1/28.4 = x/550 (1)
Where x is 550 grams in ounce.
Solving (1)
28.4x = 550
=> x = 550/28.4
≈ 19.3662
That is 550 grams is equal to 19.3662 ounce
Next, we are given the ratio (1 pound)/(16 ounce). We then convert 19.3662 ounce to pound
Let y be 19.3662 ounce in pound
=> 1/16 = y/19.3662
16y = 19.3662
y = 19.3662/16
≈ 1.2
That is 19.3662 ounce is equal to 1.2 pounds.
Therefore, 550 grams is equal to 1.2 pounds, and it is the amount of flour needed.
Ответ:
-17
7x-10 = -17