montaddawson8293 montaddawson8293

02-02-2018
Mathematics

contestada

Alfonso earned a score of 87.5% on his test. he did 56 problems correctly. how many problems were on the test?

Respuesta :

arthurzhang2006 arthurzhang2006

02-02-2018

64. 87.5% in fractions is 7/8. We divide 56 by 7/8, and get to 64.
56 ÷ 7/8= 56 x 8/7= 448/7, which is reduced into 64.

Answer Link

Dayton21517 Dayton21517

05-02-2018

Are there options or is it an estimated guess?

Answer Link

Otras preguntas

Solve proportions 13/25 = p/100

how must a projectile be launched in order to maximize its range?

How do i find the greatest common factor of 150, 275, and 420 ??

list the six enternal parts or peripherals of a computer system and identify which are output and which are input devices?

doors for the small cabinets are 11.5 inches long.doors for the large cabinets are 2.3 times as long as the doors for the small cabinets.how many large doors ca

a ball is tossed vertically upward rises, reaches it's highest point, and then falls back to its starting point. during the time, the acceleration of the ball a

what are ten facts about Henry Morgan

If a potato is allowed to dehydrate by sitting in open air, would the potato cells be more likely to absorb more water or less?

Tim solved a system of linear equations. He found that an infinite number of points satisfied the system. What do you know for certain is true about the two lin

There are 30 students in a class that took a test. The average grade of 10 students was 80. The other 20 students average was 89. What is the overall average fo