Mr. Brown uses 1/4 package of graph paper for each class. she need 1 1/2 packages to serve all of her classes. How many classes does Mr. Brown teach

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.