Answer:
10%
Step-by-step explanation:
77 - 70
|70|
× 100% =
7
70
× 100 = 10% (increase)
Where: 70 is the old value and 77 is the new value. In this case we have a positive change (increase) of 10 percent because the new value is greater than the old value.
Answer: A. 40%
Step-by-step explanation:
to find the percentage decrease, first you have to subtract $6,300 from $10,500, which equals $4,200. This is the amount decreased from the price of the car. Then, to find the percentage that $4,200 is to $10,500, you have to divide 4,200 by 10,500. This should give you 0.4, the percentage is this number multiplied by 100. This should give you the number 40, which means that the percentage decrease of the price of the car; 40%.
Answer:-30
Step-by-step explanation: you do 6 time 5 which is 30 and it is a negative times a positive which equals a negative so it is a negative
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If you double the width you make a similar prism with a scale factor of two, the surface area of the similar prism will increase as the square of the scale factor