Since 20 is a factor of 40, the least common denominator of 3/20 and 9/40 is 40.
It would be D. because the volume of a sphere is 4/2 x pi x radius^3.
Answer:
Yes, the ratios do form a proportion.
C.
because a, b, and d aren't porportional
but c x is divided by 2
Answer:
66560 pairs
Step-by-step explanation:
let the number of pairs of boots the company makes in 260 days = X
1day -----------------256pairs
260days-------------X
cross multiplying
1×X = 260×256
X= 66560
therefore, in 260days, he makes 66560 pairs
