Anthony has two ribbons. One is 12 inches long and the other is 20 inches long. He wants to cut the ribbons into smaller strips that are all equal in length. What is the greatest length he can make each strip if he wants to use all the ribbon

inches.

Step-by-step explanation:

Length of first ribbon inches.

Length of second ribbon inches.

To find the greatest length he can make of smaller strips that are all equal in length, we need to find the H.C.F of the two numbers.

For H.C.F, we will take the product of all the common factors in the prime factorization of the two numbers.

H.C.F

So, he can cut three inches ribbons from the inches ribbon and five inches ribbons from the inches ribbon.

Hence, the greatest length he can make of smaller strips that are all equal in length is inches.

step-by-step explanation:

goog be able to you with that maybe

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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