Answer:
£126
Step-by-step explanation:
Ratio is 2:1 so the difference between the amount of money will be "1". This is equal to £42 so 2 x 42 is 84 and 1 x 42 is 42, add them together and the answer is £126.
Step-by-step explanation:
she took the 2X and substract 4X-2X
the answer will be 2X=402
Answer:
1.2 minutes
Step-by-step explanation:
6 divided by 5 = 1.2
To do this, you take the total number of minutes, which is 6, and divide by the number of laps that Lin ran, which was 5.
A
I would choose the first system to stay the same because it would easier to multiply than divide (something along those lines)
b
if you choose the first system) you would multiply the 2nd equation by a -5