Help plz plz I only have 30 minutes

50% increase in weight

Step-by-step explanation:

First, write the situation out in an equation:

7/100=10.5/x

If we find the difference assuming 7 is 100% and 10.5 is x%, then we can subtract to find the difference.

Solve this equation for x. The answer would look like this:

7/100=10.5/150

Then, since 150% - 100% is 50%, the answer is a 50% increase.

Hope this helps! Please mark brainliest! :)

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.

answer: x=60