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 2x units tomatoes and y units apples.
Advertisements
उत्तर
By unitary method,
∴ 1 unit of tomatoes contain carbohydrates = 4 g
∴ 2x units of tomatoes contain carbohydrates = 2x × 4 = 8x g
Similarly,
∴ 1 unit apples contain carbohydrates = 14 g y units apples contain carbohydrates = 14 × y = 14y g
Hence, the required expression is 8x + 14y.
APPEARS IN
संबंधित प्रश्न
In -5x3y2z4 ; write the coefficient of y2 Also, write the degree of the given algebraic expression.
Fill in the blank:
4a + 3b – 7a + 4b = _____
Find the sum of: + 4a and -7b
Simplify: 9a (2b – 3a + 7c)
Simplify: `8"x" - ["4y" - {"4x" + ("2x" - bar"2y - 2x")}]`
x + (−x) = 0
The numerical co-efficient of −7mn is
The value of (a + b)2 + (a – b)2 is ______.
Volume of a rectangular box with l = b = h = 2x is ______.
Identify the term and its factor in the following expression.
Show the term and factor by tree diagram.
1 + x + x2
