Answer:
4
Step-by-step explanation:
Let's say B is the number of boys and T is the number of teachers.
T / (B + 18) = 2/21
B/18 = 4/3
Solve the second equation for B.
B = 24
Plug into the first equation to find T.
T / (24 + 18) = 2/21
T = 4
B. 0.6 seconds
Because they want you to round to the nearest 10th and 0 is the ground.
Answer:
E is the answer of your question
Isolate the variable by dividing each side by factors that don't contain the variable.
Exact Form:
x = 38/5
Decimal Form:
x = 7.6
Mixed Number Form:
x = 7/3/5
Answer:
8
Step-by-step explanation:
In total, Antony sold 10 muffins. We can do a ratio like this:

Because there are 4 blackberry muffins. We solve.
Because 10 is directly half of 20, we can just multiply 4 by 2 because if you multiply 10 by 2, you'd get 20. 4 times 2 is 8. That's the answer.