10 is letter b. I hope this helps!!!
No, Perry is not using the correct ratio, because 15:17 is not equivalent to 5:7
15 divided by 3 is indeed 5 but divided 17 by 3 does not give you 7, nor a whole number.
I hope this helps.
Answer:
the area is about 452.39
Step-by-step explanation:
A circle is painted in the center of a basketball court. If the diameter of the circle is 12 feet, what is the approximate amount of space inside of the circle? (Use 3.14 as an approximation of pi.)
A=πr2=π·122≈452.38934
Answer:
810
Step-by-step explanation:
450 × 1.80 = 810
The 1 represents how there is no markdown and the .80 is the 80% being marked up.
I think there is a more specific equation for this than the one I showed, but this was my way of solving these questions without giving myself a headache