Ama wants to sew protective mask to distribute to her friends and family. she finds and online pattern that requires the use of elastic. she has 7.5 yards of elastic in a box
if ones mask requires 14 inches of elastic, How many masks can she make?

please answer whats you prediction on the answer before solving ,explain what you have to know and be able to solve this problem.

You can use this convert chart to solve the problem
1 yard = 3 feet
1 foot = 12 inches

sine

step-by-step explanation:

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

there would only be 50 odd numbers between 1 and 100 so therefor there would be 50 even so that would only be 50 odd numbers.