Answer:
21 units
Step-by-step explanation:
7 units in 5 hours means 14 units in 10 hours which means 21 units in 15 hours.
5x3=15
7x3=21
Answer: 
Step-by-step explanation:
By the exterior angle theorem, 
67°, every triangle equals 180° so add together 35+78 which equals 113. subtract 180-113 and get 67!
Respuesta:
Allí está el proceso, de nada <3
Dude, this is simple addition. 28.35 + 17.26 = 45.61
He now has $45.61