Answer:
a) 6x + 18 = 84
b) 11 yards
Explanation:
a) You have that Jennifer made 6 identical curtains. If you chose x as the number of yards of fabric used for one curtain, you have that the total number of yards in the 6 curtains o fabric is
Furthermore, if you sum 18 yards to the 6x yards, the total amount of yards must be 84. Thus, you have the following equation:
b) Next, you solve the equation for x:
Then, 11 yards were use to make each curtain.