Answer:
B
Step-by-step explanation:
1 is 100% so increasing it by 12% means adding 0.12 to it
It’s triangular your welcome hint q
We can put it into one step by multiplying the cost by 1.07 which basically takes into account the old cost of the jacket and the tax
the expression is
original amount * decimal multiplier (1.07) = new amount
A) 1x24
2x12
3x8
4x6
B) 1x40
2x20
4x10
5x8
C) the highest common is 8
hope this will help you