Valeria records the time she spends reading a book. She reads for ¾ hour before dinner, ¼ hour after dinner, and ¼ hour before bedtime. What is the total amount of time Valeria spends reading? A. ¾ + ¼ = 1 hour
B. ¾ + ¼ + ¼ = 1 ¼ hours
C. 3 + 4 + 1+ 4 + 1 + 4 = 16 hours
D. 1 +3 + 1 = 5 hours

Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.