Question

I really need help. And its setted up-
Also I will do a 50 point giveaway

Answer 1

Explanation:

9.
`\tt{(20)/(25)×100 }`

`\tt{\frac{20}{\cancel{25}}×\cancel{100} }`

`\tt{80\% }`

80% students passed in test.

10.
`\tt{5\%=136\$ }`

`\tt{ 1\%=(136)/(5) }`$

Total income=100% =
`\tt{(136)/(5)×100 }`

`\tt{2720 }`$

Total earning=2720$

Answer 2

Explanation:

9)20/25×100%=80%

10)100/5×$136

=20×$136=$2720