Use the calculator in the app photomath
Answer:
20 students are sitting in the library
Step-by-step explanation:
4 · 5 = 20
Answer: 11 people have a brother in the left circle, 6 people have neither in the center circle, and 9 people have a sister in the far right circle.
25% = 25/100 = 0.25
9*0.25 = 2.25.
You save $2.25 with the discount.
B. 50% of the moons surface
