The answer is 5a+15b-10
5 x a is 5a. 5 x 3b is 15b and 5 x -2 is -10.
You then put them together 5a+15b-10
Answer:
66 (no other answer)
Step-by-step explanation:
The number can be divided by 2 so its even. Its a multiple of 11. It is between 20 and 79. it is a multiple of 3.
The first time 6 reaches a ten is 30, which is times 5, so 5 erasers, and then easily 3 pencils, so the least amount is 5 erasers and 3 pencils :)
Answer:
Step-by-step explanation:
Even number on spinners are 5 out of 10 probability of it is 1/2 and probablity of coin landing on tails also 1/2
Probability of compound event is probability of first event multiplied by probability of second even
So 1/2×1/2=1/4
Second one is 9/10×1/2=9/20
