Pure acid is to be added to a 10% acid solution to obtain 72 L of a 20% acid solution.

What amounts of each should be used?

_L of pure acid solution and _L of 10% acid solution

Daisy Hill has saved $5,000 for her first semester of college. She plans to spend 3/4 of this amount on her room in the dorm and 1/2 of the remaining on food. How much does Daily plan to spend on food during the first semester? A. $3,750 B. $1,250 C.

Find the area of a triangle with a base of 8m an a height of 6m

Davette want to buy flannel sheets. she reads that the weight of at least 190 grams per square meter is considered high quality. davette finds a sheet that has a weight of 920 grams for 5 square meter.

Convert 12 kilograms to pounds. use 1 kg=2.2 lb

Canvas sneakers are on sale for $9.99. Adult sneakers normally sell for $13.99 and kids for $12.99. How much did Mrs. Kidder save when she bought 2 adult pairs and 3 kids pairs?

A construction crew is digging a hole. On the first day, they dug a hole 3 feet deep. On the second day, they dug 2 more feet. On the third day they dug 4 more feet. Write the sum of negative numbers to represent this situation.

Sally uses flowers to make displays and bouquets. She earns £3.50 for each display she makes. She earns £2.70 for each bouquet she makes. One day she makes 24 displays and 13 bouquets. She price £23.80 on what she earns for the day.

A 5-mile cab ride costs $7.20. A 9-mile cab ride costs $11.60. Find a linear equation that models a relationship between cost c and distance d. c = 1.44d + 4.40 d = 1.10c + 4.40 c = 1.29d + 1.70 c = 1.10d + 1.70

Two parents each have blood type AB, and their first child is blood type AB. What is the probability that their second child will have blood type AB? (Express the probability as a percent. Enter the number only without the percent sign.

Fraction as a decimal, use bar notation id necessary 3/11 = - 5/8 = - 7/10 = 2 5/7 =