According to the Guinness Book of World Records, a woman from Russia, Mrs. Vassilyeva, had 69 children between the years 1725 to
1 answer:
Answer:
36.36% probability that she gave birth to quadruplets
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcoes.
Desired outcomes:
Giving births to quadruplets.
She has 4 sets of quadruplets.
So
Total outcomes:
At least 3 children(triplets).
7 sets of triplets and 4 sets of quadruplets.
So
Probability:
36.36% probability that she gave birth to quadruplets
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cross multiply to get:
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Mr. Razali sold the laptop for a profit of 20%, which means he sold it for 120% of what he paid for it. To determine how much he bought it for we would use this equation:
cross multiply to get:
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Mr. Razali initially bought the laptop for $2500
Working backwards to solve the problem
If Mr. Azmi lost 20% when he sold the laptop for 2400, that means that he sold it for 80% of what he paid. If 2400 is 80% of what he paid, then to find out what he paid for it you would use this equation to determine what 100% would be:
cross multiply to get:
240000 = 80x
3000 = x
Mr. Azmi bought the laptop for $3000
Mr. Razali sold the laptop for a profit of 20%, which means he sold it for 120% of what he paid for it. To determine how much he bought it for we would use this equation:
cross multiply to get:
120x = 300000
x = 2500
Mr. Razali initially bought the laptop for $2500
Answer:
i think you wrote the equation wrong because the answer is 106
Step-by-step explanation:
10+(1/2)4x48 solve using system of equations
multiplying is first (1/2)x4=2
10+2x48
multiply again 2x48=96
10+96=106
