Many people were worried when they found that their photocopiers had been sometimes changing numbers; one photocopier sometimes, although not always, changed 6 into 8. A list of prices was copied on this photocopier. The first five prices on the copy are shown below. $54.80 $60.00 $85.40 $70.80 $78.20 In the original list, the prices had increased by the same amount each time. What was the next price on the original list?

I don't know the answer I am in Grade 6 in a

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.