Write a proportion to find how many points a student needs to score on the test to get the given score. Test worth 50 points; test score of 84%

42

Step-by-step explanation:

Test worth = 50

To obtain a grade percent = 84%

Score to obtain = x

Using the expression :

84% of test worth = x

84/100 * 50 = x

0.84 * 50 = x

42 = x

Score to obtain = 42

step-by-step explanation:

given that there are two triangles j'k'l' and jkl>

the former is got by dilating the second one.

when drawn on a grid, (graph paper) coordinates of vertices of first triangle is

(6,12)j, (9,6)k and (12,9)l

side jk has length = distance between j and k

=

side j'k'=distance between j' and k'

=

ie j'k'l' has sides 1/3 of that of corresponding sides of jkl.

hence scale factor of 1/3 is used to get j'k'l'from jkl