Answer :
Final answer:
To calculate the total tablespoons of flour and sugar required in the cake recipe, set up a proportion using the given ratio of 7 to 5. Solve for x to get the total tablespoons of flour and solve for y to get the total tablespoons of sugar. Then, add the total tablespoons of flour and sugar together to find the sum. The ratio of flour to sugar is 7 to 5.
Explanation:
To calculate the total tablespoons of flour and sugar required in the cake recipe, we first need to find the ratio of flour to sugar. The given ratio is 7 to 5. This means that for every 7 tablespoons of flour, there are 5 tablespoons of sugar.
To calculate the total tablespoons of flour, we can set up a proportion. Let x be the total tablespoons of flour. We have the ratio: 7/5 = x/20. Cross multiplying, we get 7*20 = 5*x. Solving for x, we find x = 28. Therefore, the total tablespoons of flour required is 28.
To determine the total tablespoons of sugar, we can use the same proportion. Let y be the total tablespoons of sugar. We have: 7/5 = 20/y. Cross multiplying, we get 7*y = 5*20. Solving for y, we find y = 28. Therefore, the total tablespoons of sugar required is also 28.
To find the sum of flour and sugar tablespoons, we add the total tablespoons of flour and sugar together. 28 + 28 = 56. Therefore, the sum of flour and sugar tablespoons required is 56.
The ratio of flour to sugar is 7 to 5, which can also be expressed as 7:5 or 7/5.
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