nyierah99 nyierah99

20-01-2017
Mathematics

contestada

A student got 20 problems correct on a quiz. On a second attempt, the student got 30 problems correct. What was the percent of increase?

Respuesta :

ferretgirl02 ferretgirl02

20-01-2017

30-20=10 so he got 10 more right the second time then the first.
10/20=.5×100=50%
So there was a 50% increase

Answer Link

larissakaet16 larissakaet16

02-08-2018

50% increase. hope is helped

Answer Link

Otras preguntas

Are these ratios equivalent? 7:11 and 21:33 *

A 40 of foxes in a wildlife preserve quadruples in size every 13 years. The function y=40•4^4, where x is the number of 13-year period, models the population gr

Is 700% of 5 less than 10 greater than 10 but less than 100 or greater than 100?

What reason does George give to describe Lennie's mental state?

I need help this is due in 5 min

Find the quotient. Use a model to help you divide 6. 15÷ 5 = A. 1.03 B. 1.23 C. 1.3 D. 1.2

The rate is given as a percent (%). Before using it in the simple interest formula, you must first convert it to a _____. fraction ratio dollar amount decimal

Are some refugees seen as being “more deserving” than others?

can u give me brainlist pls

Help please I don’t get this