8 11/15= 7 ?/15 help me
1 answer:
Answer:
Step-by-step explanation:
Remember the multiply and add rule or improper fractions. To convert from a mixed number to an improper fraction, one must multiply the number part of the mixed number by the bottom (denominator) on the fraction. Then one must add that to the numerator (top) of the fraction. Since 7 is 1 less than 8, then one would have to multiply 15 by 1, and add it to 11, to get the value on top of The value would be;
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Answer:
Option A.
Step-by-step explanation:
It is given that out of 16 spins, a purple-and-red spinner landed on purple 9 times and on red 7 times..
Experimental probabilities are
Based on experimental probability, we need to find how many of the next 64 spins would we expect on land on red.
The expected number of red in 64 spins is
Therefore, the correct option is A.