X would equal 81 because the square root of 81 is 9.
9 x 9 = 81
Olivia needs 15 yards of ribbon.
2.5x18=45 feet
divide 45ft by 3 to see how many yards that would be.
45/3=15
Hope that I helped
1/2bh
1/2b4 = 18
b4= 36
b= 9 yards
Answer:
<em>Getting 21 ounces for $6.49 is a better deal!</em>
Step-by-step explanation:
4.99 / 12.4 = 0.402419...
6.49 / 21 = 0.30904...
0.4 is larger than 0.30 therefore 0.30 is less and a better deal.
Have an amazing day! ^-^
