Question 3: Atrice has 32 pieces of gum and gave away x pieces. Christie has 40 pieces of
gum and gave away twice as many pieces as Atrice did. Which equation can be
used to find x, the number of pieces of gum to give away to have the same
number of pieces of gum left?
A. 32 - x = 40 - X
B. 32 + x = 40 + x
C. 32 + x = 40 + 2x
D. 32 - x = 40 - 2x

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

if gloria has "carry over" minutes, (that is, any minutes paid for but not used in a month can be applied to her payment for minutes in the next month,) her total usage for the three months is: total minutes = 320 + 243 + 489 = 1052 minutes number of 200 minute blocks = 1052/200 = 5 r52 (that is 5 with a remainder of 52) rounding up the number of 200 minute blocks gives her usage for the three months as 6 blocks. the cost for six blocks is 6 x $25 = $150 she also has 200 - 52 or 148 carry over minutes if gloria pays each month and unused minutes are lost, applying the rounding up procedure to each month gives: first month usage of 320 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 second month usage of 243 minutes rounds up to 2 blocks of 200 minutes for a payment of 2 x $25 = $50 third month usage of 489 minutes rounds up to 3 blocks of 200 minutes for a payment of 3 x $25 = $75 total payments for the three months are $50 + $50 + $75 = $175 get the plan with carry over minutes!