Answer: $5 their are 36 donuts and 12 x 3 is 36 and 5 x 3 is 15
Answer:
if union, U means plus,+
if intersect means minus, -
By hypothesis, Deon is riding at a speed of 22.4 kilometers per hour. So each hour, he completes 22.4 km.
If he rides for 7 hours, he completes 22.4 * 7 = 156.8 km
So in 7 hours, he rides 156.8 kilometers.
Hope this helps! :)