rjejfjdjdjdj rjejfjdjdjdj
  • 03-04-2018
  • Mathematics
contestada

Barbara answered 72 questions correctly on her test. If her score on the test was 80%, how many questions were on the test?

Barbara answered 72 questions correctly on her test If her score on the test was 80 how many questions were on the test class=

Respuesta :

bezruchukp6kuuz bezruchukp6kuuz
  • 03-04-2018
Answer is B - 90
-----
Answer Link
Bladerunner1976
Bladerunner1976 Bladerunner1976
  • 03-04-2018
For a percentage question setup is like this:
part = percentage * whole

part = 72
percentage = 80% = 0.8

72 = 0.8 * whole
whole = 72/0.8 = 90
Answer Link

Otras preguntas

Help ASAP I’ll mark you as brainlister
What is the nth term of the sequence 2,5,10,17,28.. ?​
Please answer and explain why.
Help please! Aidez-moi, s'il vous plaît
can someone help me with algebra? i'm lost on everything. i'm a junior in high school.
7. 0, 78, 99, 58, 65, 0, 47, 38, 227 Mean Median Mode
The ratio of red marbles to blue marbles in Simran's bag is equal to 4 to 7. If there are 20 red marbles, how many blue marbles are there?
I need help with this ASAP
Solve the trigonometric equation for all values: -7 < or equal to x < 7 Question: Cot 1/2x-1=0
Find the area of this triangle. Round to the nearest tenth. 9.5 yd 23 yd Please help!