ANSWER: The exact answer is $86.227 for 16.3 yards. Not knowing the answer choices, you could estimate to $86.00, you could estimate to $86.23, you could even estimate to $90.00.
You could also say. 13 x --- = --- 1 7 Multiply across. 1x=13×7 1x =91 Divide both sides by one. x=91. 91 cups of yoygurt are needed to make 7 Smoothies. Or you could do it the easy way. whatever makes you happy. :)
