An artist spends a total of $150 on the supplies needed to create the paintings, p, and drawings, d, he plans to sell. Choose the expression that would represent the profit the artist will make if each painting sells for $75 and each drawings for $35. (A) 75p + 35d - 150
(B) 35p + 75d - 150
(C) 75p - 35d - 150
(D) 35 + p + 75 + d + 150

The answer is both (A) and (B)

Work Shown:

p = number of paintings sold

75p = amount made from paintings alone ($75 per painting)

d = number of drawings sold

35d = amount made from drawings only ($35 per drawing)

R = revenue = amount of money coming in

R = 75p+35d

C = cost = amount of money going out

C = 150

P = profit

P = R - C

P = ( R ) - ( C )

P = ( 75p+35d ) - ( 150 )

P = 75p + 35d - 150

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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!