Advertisements
Advertisements
प्रश्न
Observe the following nutritional chart carefully:
| Food Item (Per Unit = 100g) | Carbohydrates |
| Rajma | 60g |
| Cabbage | 5g |
| Potato | 22g |
| Carrot | 11g |
| Tomato | 4g |
| Apples | 14g |
Write an algebraic expression for the amount of carbohydrates (in grams) for y units of potatoes and 2 units of rajma.
Advertisements
उत्तर
By unitary method,
∴ 1 unit of potatoes contain carbohydrates = 22 g
y units of potatoes contain carbohydrates = 22 × y = 22y g
Similarly,
∴ 1 unit of rajma contain carbohydrates = 60 g
∴ 2 units of rajma contain carbohydrates = (60 × 2) = 120 g
Hence, the required expression is 22 y + 120.
APPEARS IN
संबंधित प्रश्न
Constant is only 8 other is variable ax + 9
Fill in the blank:
8x - 5x = ________
Find the sum of: 3a + 5b + 2c, 2a + 3b-c and a + b + c.
Subtract the second expression from the first:
x + 2y + z, - x - y - 3z
Enclose the given term in bracket as required:
x2 – xy2 – 2xy – y2 = x2 – (……..)
38x3y2z ÷ 19xy2 is equal to ______.
Factorise the following expression.
– xy – ay
Factorise the following expression.
a3x – x4 + a2x2 – ax3
Identify the numerical coefficient of term (other than constant) in the following expression:
1.2 a + 0.8 b
Coefficient of x in –9xy2z is ______.
