Answer:
n(B) = 1350
Step-by-step explanation:
Using Venn sets, we have that:
Three values are given in the exercise.
The other is n(B), which we have to find. So
So
n(B) = 1350
20. 20+12=32. that's math(s).
Answer:
Fraction of money spent on calculator = 2/5
Find the fraction of money left:
1 - 2/5 = 3/5
Find the fraction of money spent on a book:
4/7 x 3/5 = 12/35
Answer: She spent 12/35 of the money on a book
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To find the fraction of saving:
Fraction of money saved = 1 - calculator - book
Fraction of money saved = 1 - 2/5 - 12/35 = 9/35
Fraction of the money saved = 9/35
Step-by-step explanation:
Answer: why is there two a’s?
Step-by-step explanation:
if those are the correct angles then 1 can be formed because every triangle always adds up to 180
