extra sums on linear eqns in one variable - class 8

Linear equations in one variable Solving equations having linear expressions on one side and numbers on the other side Solve 3y + 6 = 15 15/4 – 7x = 9 14y – 8 = 13 17 + 6p = 9 Word problems Sum of two numbers is 74. One of the numbers is 10 more than the other . What are the numbers ? The area of a rectangle is 96 sq.cm. If its breadth is 12 cm , find its length. The sum of three consecutive multiples of 8 is 888. Find the multiples. Two numbers are in the ratio 5:3 . If they differ by 18 , what are the numbers? Fifteen years from now John’s age will be four times his present age. What is John’s present age? Mary has a total of Rs 590 as currency notes in the denominations of Rs 50 , Rs 20 and Rs 10. The ratio of the number of Rs 50 and Rs 20 notes is 3:5. If she has a total of 25 notes , how many notes of each denomination she has?