Hey you should copy this and paste it into history.. this is the math section (meaning people trying to answer are less likely to be able to help cus they're here to answer math
If the shapes are similar, the correspondent sides are in proportion:

Let's plug the values and solve for x:

Multiply both sides by x to get

The only feasible solution, though, is
, because it wouldn't make sense to have negative lengths.
Answer:
79 problems each week
Step-by-step explanation:
To find this answer, just divide the total number of math problems (1,422) by how many weeks Gabe had to do them (18). This will give you a final answer of 79 problems per week. My work is below!
1,422 / 18 = 79 problems per week
Answer:
Carlo ran 33.3% of the miles.
Step-by-step explanation:
It sounds like David ran 2 laps for every 1 lap that Carlo ran. So, for every 1 mile that Carlo ran, David ran 2 miles, which means if you add both miles together: 1 mile (Carlo) + 2 miles (David) = 3 miles, that Carlo ran 1/3 of the miles, and David ran 2/3 of the miles. In percentages, it means Carlo ran 1/3=0.333 or 33.3% and David ran 2/3=0.666 or 66.6%