Yes these rates to form a proportion. This is because if I am able to do 90 sit-ups in 2 minutes then the unit rate (amount of sit ups per minute) is 45. Since my friend does 135 sit-ups in 3 minutes then the unit rate is also 45. Both me and my friend do 45 sit-ups per minute.
(4x28)+64
112+64
176
Rounded to the nearest ten it would be 180
Width of foil is inches
<em><u>Solution:</u></em>
Given that area of the rectangle piece of foil is square inches
Its length is inches
To find: width of foil
<em><u>The area of rectangle is given as:</u></em>
To find the area of a rectangle, we multiply the length by the width
<em><u>Substituting the given values in above formula,</u></em>
Let us solve above expression to find width
Therefore width of foil is inches
Answer:
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Step-by-step explanation:
2x +5x+2 = 7x+2