15. The numbers 1120, 1276 and 1450, written as the products of their prime factors, are
1120 = 25 x 5 x 7, 1276 = 22 x 11 x 29 and
1450 = 2 x 52 x 29. Hence, find the smallest
non-zero whole number that is divisible by 1120,
1276 and 1450.​

answer for #1 is c

answer for #2 is d

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d. all of the above

step-by-step explanation:

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168