Answer:
75%
Step-by-step explanation:
The 10% that failed both is part of the 15% and 20% that is mentioned. Subtract 10% from each, leaving you with 5% that failed just science, 10% that failed just math, and 10% that failed both. Add them together and you get 25%. Subtract 25% from 100%, and you remain with 75%.
91 divided by 7 is 13. so he can paint 13 in 1 week. 13 x 4 equals 52 so he can paint 52 portraits in 4 weeks.
Answer:
B
Step-by-step explanation:
A coin has two sides so there is a 50% chance of getting heads or tails.
Answer:
Gulf Coast Prairies and Marshes.
Step-by-step explanation:
Wave action, a cause or agent of weathering, erosion, and deposition, is constant along the Texas coastline.