Sandy bought a soft drink for 3 dollars and 8 candy bars. She spent a total of 35 dollars. How much did each candy bar cost ?
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In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Line wx is parallel to line yz. if m

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.