I'd the ratio 25 to 16 proportional to the ratio 5 to 4 explain

If Joel loses 20 pounds, he will weigh 50% more than Lauren. The sum of their present weight is 300 pounds. what does joel currently weigh

7. The probability that Jane smokes is 4/9. The probability that she smokes and develops lung cancer is 3/10. Find the probability that she develops lung cancer, given she smokes.

A store owner puts in an order for product X and product Y for a total of 4,000 units. It costs $0.10 per item to ship of product X and $0.04 per item to ship product Y.

At the movie theatre, child admission is $5.10 and adult admission is $9.00. On Monday, 163 tickets were sold for a total sales of $1088.70. How many adult tickets were sold that day?

Find the gcf of 8 and 15

If a sequence is defined recursively by f (0) = 2 and f (n + 1) = - 2f (n) + 3 for n ≥ 0, then f (2) is equal to

Vertex of - 2 (x+3) ^2+7

Boat 1 leaves a dock headed due west at 8:00 AM traveling at a speed of 12 mph. At the same time a boat 2 leaves the dock headed due south traveling at a speed of 24 mph.

A Mathematics test was taken by 4 boys and 6 girls. The mean marks of the 10 students was 49. a) Calculate the total marks obtained by 10 students. b) If the mean marks of 6 girls was 51, calculate the mean marks of 4 boys.

Find an equation using absolute value that has the given solutions, a. two solutions, 22 and 22 b. two solutions, - 51 and 5 c. two solutions, - 9 and 39 d. one solution, 18