morriscassie071 morriscassie071

03-11-2017
Mathematics

contestada

On a test, Matilda answered 12 out of the first 15 problems correctly. If this rate continues, how many of the next 25 problems will she answer correctly?

Respuesta :

bobbyfrankisawesome bobbyfrankisawesome

03-11-2017

12 is 80% of 15. So if the rate continues, She will answer 20 out of the 25 correctly. Hope I helped love! <3

Answer Link

sarah0182 sarah0182

03-11-2017

Matilda answered 12 of the 15 problems or a ratio of 12:15 ...

This gives 12/15= 0.8 • 100% = 80%

If she gets 80% of the next set of 25 questions right

25 • 0.8 = 20
She will get 20 problems correct.

Answer Link

Otras preguntas

Explain how a species can evolve through natural selection.

Why was is difficult for the Arab people to form one nation?

What is the mean of 87, 93, 86, 90, and 84?

Natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. Natalie sold 45 dvds last year. She earned a total of $780 last year selling cds a

Explain how a species can evolve through natural selection.

How do you Factor c(squared)-8c ??

“The genetic code is universal.” Explain this statement.

If a slope of a line is 2/0 is it 0 or undefined?

Jim’s allowance is $1.20 per week. Stan’s is 25¢ per day. How long will they have to save, if they save both their allowances together, before they can get a m

How did scientists discover the common structure of cells?