66) ten less than a number
Let the number be n
= n - 10
67) the product of x and y
= x × y or xy
68) The algebraic expression for ten less than n
= n - 10
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646/3=x
To check it: x*3 should =646
Answer:
Length of fencing: 4, 6, 7, 9, 10
Cost: 36, 54, 63, 81, 90
If its a 90 degree then the answer is 68
if its a 180 degree then the answer is 158
if its a 270 degree then the answer is 248
if its a 360 degree then the answer is 338
You can get two ib of grapes and one of cherry