Both figures shown below are trapezoids. ABCD - WXYZ. Find the value of y.
A
B
30 mm
7 mm
15 mm
30 mm
А
С
Z
15 mm
15 mm
X
D
30 mm
w

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

the reason why your question keeps getting deleted because this is not a school related question : )

i will answer your question though.

i never tried church's

-2 is the right