Two pizzas cost £6.30. What is the cost of seven pizzas?
When I have 2 litres of yellow paint, I add 400 millilitres of blue to make a green paint. How much blue paint would I need to add to 7 litres of yellow paint?
Jas uses 570g of mixed fruit to make 18 scones. How much fruit will he need to make 24 scones?
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He On heroin?
To find the cost of seven pizzas, we first need to determine the cost of one pizza. Since two pizzas cost £6.30, we can divide £6.30 by 2 to find the price of one pizza.
£6.30 / 2 = £3.15
So, one pizza costs £3.15. To find the cost of seven pizzas, we can multiply the cost of one pizza by 7.
£3.15 * 7 = £22.05
Therefore, the cost of seven pizzas would be £22.05.
Now, let's move on to the next question.
To make green paint, you start with 2 liters of yellow paint and add 400 milliliters of blue. To find out how much blue paint is needed to make 7 liters of yellow paint, we need to compare the ratios of yellow to blue paint in each scenario.
We know that the ratio of yellow to blue paint to make green paint is 2 liters of yellow paint to 400 milliliters of blue paint.
In other words, for every 2 liters of yellow paint, we need 400 milliliters of blue paint.
Now, we want to find out how much blue paint is needed for 7 liters of yellow paint. To do this, we need to set up a proportion:
2 liters of yellow paint / 400 milliliters of blue paint = 7 liters of yellow paint / x milliliters of blue paint
Cross-multiplying the proportion, we get:
2 liters of yellow paint * x milliliters of blue paint = 400 milliliters of blue paint * 7 liters of yellow paint
2x = 400 * 7
Simplifying further, we have:
2x = 2800
Dividing both sides by 2, we find:
x = 2800 / 2
x = 1400
Therefore, you would need 1400 milliliters (or 1.4 liters) of blue paint to make 7 liters of yellow paint.
Finally, let's tackle the last question.
To make 18 scones, Jas uses 570g of mixed fruit. We want to find out how much fruit he will need to make 24 scones.
We can set up a proportion to solve this problem. The ratio of fruit to scones can be expressed as:
570g of fruit / 18 scones = x grams of fruit / 24 scones
Cross-multiplying the proportion, we get:
570g of fruit * 24 scones = 18 scones * x grams of fruit
13680 = 18x
Dividing both sides by 18, we find:
x = 13680 / 18
x = 760
Therefore, Jas will need 760 grams of mixed fruit to make 24 scones.
(7/2) * £6.30
(7/2) * 400
(24/18) * 570