Which of the following is equivalent to the expression - 1/4-(2/5 + 3/7)?

Given:

The expression is:

To find:

The expression that is equivalent to the given expression.

Solution:

We have,

Using the distributive property, we get

Taking LCM, we get

Therefore, the expression is equivalent to the given expression expression.

Note: There are more than one equivalent expressions.

In economics, the downward sloping demand curve is used to illustrate the law of diminishing marginal utility. This means that if more of the product is consumed, the marginal benefit to the consumer falls. This is also the instance in which the consumers are willing to pay less than the original amount for the same product.