If I take three fourth of a number and add three to it I get 21 . Write an equation and solve it
Answers
Answer:
(b) 5x
(c)
(d)
= -5
X(-8)= -56
X(-12)=132
(4 Marks Questions)
Q1. Shyam bought 5 kg 300 g apples and 3 kg 250 g mangoes. Sarala bought 4 kg 800 g oranges
and 4 kg 150 g bananas. Who bought more fruits?
Q2. A vehicle covers a distance of 43.2 km in 2.4 litres of petrol. How much distance will it
cover in one litre petrol?
Q3. Vidya and Pratap went for a picnic. Their mother gave them a water bottle that contained 5
litres of water. Vidya consumed 2525 of the water. Pratap consumed the remaining water.
(i) How much water did Vidya drink?
(ii)What fraction of the total quantity of water did Pratap drink?
Q4.Write equations for the following statements:
(i) The sum of numbers x and 4 is 9.
(ii) 2 subtracted from y is 8.
(iii) The number b divided by 5 gives 6.
(iv) Three-fourth of t is 15.
(v) Seven times m plus 7 gets you 77.
Q5.Set up equations and solve them to find the unknown numbers in the following
cases:
(a) Add 4 to eight times a number; you get 60.
(b) One-fifth of a number minus 4 gives 3.
(c) If I take three-fourths of a number and add 3 to it, I get 21.
х
Answer:
The answer is 24
Step-by-step explanation:
(3/4)x + 3 = 21
(3/4)x = 21 - 3
(3/4)x = 18
x = 18 * (4/3)
x = 6 *4 (Dividing 18 by 3 we get 6)
x = 24