Answer:
Step-by-step explanation:
3
20/8=2.5
so 3 vans
t = 16/3
4/3 : 7= 3t/4 :21
4/3 x 21 = 7 x 3t/4
28 = 21t/4
112 = 21t
t = 112/21 → t = 16/3
1/4
yes?
yep
by asa congruency
hope this helps you :)