The gas tank of a large car has a capacity 70L. How many large cans can be filled with 1m cubed of gasoline

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?