Question

PLEASE HELP! 40 POINTS! How can you solve for x in the proportion StartFraction 7 over 8 EndFraction = StartFraction x over 24 EndFraction? (The proportion is: 7/8 = x/24)

a.Set the sum of 7 and 8 equal to the sum of 24 and x, and then solve for x.

b.Set the sum of 7 and 24 equal to the sum of 8 and x, and then solve for x.

c.Set the product of 7 and 8 equal to the product of 24 and x, and then solve for x.

d.Set the product of 7 and 24 equal to the product of 8 and x, and then solve for x.

Answer 1

as isyllus says, Set the product of 7 and 24 equal to the product of 8 and x, and then solve for x.

Explanation:

We given the fraction to be solved:

Using cross multiplication method:

i.e. Numerator of Left Hand Side term to be multiplied with Denominator of Right Hand Side term and put equal to multiplication of denominator of Left Hand Side term to Numerator of Right Hand Side term.

So, the first step to be carried out as per cross multiplication method:

Set the product of 7 and 24 equal to the product of 8 and x, and then solve for x.

Explanation: