When X=5 and y=10 in the formula A =xy-20. Find A

Mathematics

1 answer:

Delicious77 [7]4 years ago

3 0

Answer:

A = 30

Step-by-step explanation:

x = 5

y = 10

A = xy - 20

substitute 5 and 10 in the place of x and y

(5*10) - 20

50 - 20

A = 30

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adelina 88 [10]

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A local gym had 490 members last quarter. This quarter, with a change in its rates, it has 686 members. What is the percent of i

sergij07 [2.7K]

Given:

Number of gym members in last quarter = 490

Number of gym members in this quarter = 686

To find:

The percent of increase in the number of members.

Solution:

We have,

Number of gym members in last quarter = 490