Dominique can ice cupcakes twice as fast as Houston. When they work together, Dominique and Houston can ice a large order of cup
cakes in 5 hours. How many hours would it take Houston to ice them by himself?
1
4
thirteen-halves
fifteen-halves
2 answers:
This is a work problem. It can be solved as follows:
Houston = 1/x
Dominique = (1/2x)
Together = 1/5
Then, we add Houston and Dominique:
1/x + 1/2x = 1/5
Solve for x,
x = 2/15
Therefore, it would take 15/2 hours for Houston to ice by himself, the last option.
Answer: 15/2
Step-by-step explanation:
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Answer:
3rd one
Step-by-step explanation:
they already have two red cards and the box of n cards was divided equally among 4 people
Probability =
(number of different successful results) / (number of all possible results) .
Number of marbles that are not blue = 7
Number of marbles in the bag = 10
Probability that one marble drawn at random is not blue = 7/10 = 70% .
Answer: It should be 144 in total
Step-by-step explanation:
I did the math
