For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
If 4 lbs of potatoes cost 6.78...then 1 lbs of potatoes cost 6.78/4 = 1.695...rounds to 1.70 per lb
Answer:
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Step-by-step explanation:
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Answer:
2+2=4
Step-by-step explanation:
2 plus 2 is 4
an example for you to understand
if you have 2 cookies and i give you 2 more then you now have 4 cookies to enjoy!
