7. A wrestler won 60% of 50 matches. How many did he win?

He won 30 matches out of 50.

Step-by-step explanation:

60% x 50 matches = matches he won

=> 60/100 x 50 matches = matches he won

=> 60/2 matches = matches he won

=> 30 matches = matches he won

Therefore, he won 30 matches out of 50.

Hoped this helped.

x = 25

step-by-step explanation:

a^2+b^2=c^2

7^2+24^2=c^2

49+576=625

sqrt625=25

x=25