Answer:
it would cost 35 each I think
In this equation you have 3m+3=15 or 3m+3=-15. Solving for m on both you get m=4 or m=-6. The answer is D.
Answer:
2×1/4=1/2 meaning half a tin is eaten a day.
9×2=18
meaning it will last 18 days
A. 2*2*3*3*5*7
Whilst B and C both also yield 1,260, they aren't broken down in to their prime factors. In B, 4 can be broken down in to 2*2 and 9 in to 3*3, and in C, 6 can be broken down in to 2*3
And D just doesn't total 1,260
