3a. Ten percent of a high school class participated in a
Maths Olympiad and 95% of the senior that took part
in the Maths Olympiad got into universities of their
choice. Only 50% of the seniors who didn't participate
get into the universities of their choice. What
percentage of the senior from the high school got
admitted into the universities of their choice?

i believe the answer is the polygon, heptagon.

it would take 7/10 of an hour too fill the pool.

step-by-step explanation:

do have an equation or graph or

step-by-step explanation:

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870