Jan and Bon invest £3400 in their local bank. They put the money in ratio 3:7.
How much did each person put?
After a year, the money accrues interest. They withdraw £6200 and split the new amount in the same ratio. How much did they both get?

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?