Answer:
11
Step-by-step explanation:
You would start by subtracting $30 from $151 which is $121.
Then you would divide this by 11 which 121÷11=11
So 11 test were bought.
Answer:
61/10 or in decimal form 6.1 or 6 1/10
Step-by-step explanation:
Answer:
P(Selecting a student aged 12)= (13/27)
Step-by-step explanation:
first find the value of (e), by getting the value of (b). check no.2.
Answer:
the first, third, and the forth