Answer:
61 yeas old
Step-by-step explanation:
180 is dividable by 3 evenly into 60. If you remove 1 from one of the 60's and add it to another 60, the order is now 59,60,61. So the oldest friend is 61 years old
The factored version of the equation is (a-5) (a+4)
To the rest of the questions you should add an image to help visualize what you are asking us.
hope this helps !
Answer:
Possible committee structures = 293930
Step-by-step explanation:
The combination expression is used here
²¹C₉ = 21!/(9!(21−9)!) = 293930
5 3/5 because you multiply the top number by 7
Answer:
$ 6.375
Step-by-step explanation:
Cost of ticket = $7.50
Discount = 15%
Discount price = 15/100 x 7.50 = 1.125
Cost of student ticket = $7.50 - 1.125 = $ 6.375
I hope im right!!
