SOLUTION: I have to change these written maths problems into number formation but I finding it very hard can you help? 7 times q is equal to 21. Take x away from 15 the result is 4. E

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Question 865495: I have to change these written maths problems into number formation but I finding it very hard can you help?
7 times q is equal to 21.
Take x away from 15 the result is 4.
Eight times r gives the same answer as adding r to 21.
The total cost of buying x units at £15 per unit and y units at £12 per unit.

Found 2 solutions by rothauserc, ewatrrr:
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
7 times q is equal to 21.
Take x away from 15 the result is 4.
Eight times r gives the same answer as adding r to 21.
The total cost of buying x units at £15 per unit and y units at £12 per unit.
Here we go
7q = 21
15 - x = 4
8r = 21 + r
Total cost = 15x + 12y

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
WRITE as You READ
7q = 21
15 - x = 4
8r = 21 + r
£15x + £12y