Answer:
3 cm
Step-by-step explanation:
The given relation between length and width can be used in the perimeter formula to find the width.
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Let w represent the width of the rectangle in centimeters. The length is 4 cm more, so can be represented by (w+4). Using these values and the given perimeter in the perimeter formula, we find ...
P = 2(L +W) . . . . . perimeter formula
20 = 2((w +4) +w) . . . . known values substituted
10 = 2w +4 . . . . . . . . divide by 2, collect terms
6 = 2w . . . . . . . . . subtract 4
3 = w . . . . . . . . divide by 2
The width of the rectangle is 3 cm.
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<em>Additional comment</em>
The length is 7 cm.
Answer: 
Step-by-step explanation:
You know that Ozzie put 4 gallons of gas in his truck.
Notice the you must use:
Then, the first step is to make the conversion from gallons to quarts.
Since:
You get:
Finally, knowing the volume in quarts, you can make the conversion from quarts to liters. This is:
Therefore, Ozzie put 53.2 liters of gas in his truck.
Answer:
c is correct
Step-by-step explanation:
Answer:
Mandy should add the tens before she adds the ones.
Step-by-step explanation:
There are no other good answers and the correct answer is 82 pennies.
