<span>It will take her 3 hours to read 120 pages.</span>
Answer:
B
Step-by-step explanation:
If you look at A and you subtract 3x by 4x you get x and you subtract 3 from -7 and you get -10. But if you look at B you do the stuff in the parentheses first and you get 4x+12x+28=16x+28 and they're the same so it's B.
Answer:
x= -3
Step-by-step explanation:
-2 x 3 =6 so 6+8=14
540ml with 12% solution
get 12% of 540
540 times 0.12 = 64.8 ml of pure acid
Step-by-step explanation:
distance walked by him = 1/ 3 miles
time taken in doing so = 3/ 4 hrs.

