Answer:
1st qns: A
2nd qns: B
Step-by-step explanation:
The ans is A as its 1/6
4000 divide by 160 to get the cost of each book
4000 / 160 = 25
So that's £25 per book, multiply that by two because they gave two away which is £50 so they lost £50
Answer:
3
Step-by-step explanation:
-6x+6-7=-7x+2
-6x=-7x+3
x=3
At first they bought 40 uniforms for $3,000. When divided, the result came out as 75$ per each uniform. If they only received 40$ back then, 70-40=30. So the difference was 30$ per uniform.
There should be 4.5 oz of vinegar and 22.5 oz of oil
-5x+y=0
x+y=27
-6x=-27