How do you solve this problem using substitution or elimination?

Three times the larger of two numbers is equal to 4 times the smaller. The sum of the numbers is 21. Find the numbers.

What is the total cost of 1.9 cubic meters of soil if it sells for $40

Manny hiked 6 2/5 miles along the mountain trail he stopped climbing a lookout tower 1/4how many miles did manny hike before he stopped to look at a tower

Kyra has a rectangle vegetable garden that measures 12 feet by 18 feet. She wants to reduce the area of her garden. She closes the fence further in so that the new garden measures 12 feet by 9 feet.

Compare write 5.640 to 5.64

If you have 3 cups of pineapple juice which is 20% of recipe how many cups of punch do you have

Starting at the top if you cut a square pyramid in half using a single cut, what is the shapes of the newly-exposed section?

8 22/66 in lowest terms

The exponential function y (x) = ce^ax satisfies the conditions y (0) = 2 and y (1) = 1. find the constraint of c and a. what is y (2) ?

Ten children equally share 60 almonds. How many almonds will 5 children get?

The game of European roulette slots: 18 red, 18 black, and I green. A ball is spun onto the wheel and will eventually land ina slot, where each slot has an equal chance of capturing the ball. Gamblers can place bets on red or black.