Answer:
A=12
B=54
C=18
Step-by-step explanation:
A=first
B=second
C=third
A+B+C=84
B=3C
A=C-6
C-6+3C+C=84
5C-6=84
5C=90
C=18
A=C-6
=(18)-6
=12
B=3C
=3(18)
=54
Answer:
the answer is B.
Step-by-step explanation:
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Answer:
Step-by-step explanation:
soution
3^1=x+2
3=2+x
3-2=x
1=x
x=1
Answer:
B. 455
Step-by-step explanation:
The order in which the toppings are chosen is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this question:
3 toppings from a set of 15. So

455 3-topping sundaes can be made.