Question

Find the value of y if 5y=45²-40²

Answer 1

$5y = {45}^{2} - {40 }^{2} \\ 5y = 2025 - 1600 \\ y = \frac{425}{5 } = 85 \\ y = 85$

Answer 2

Answer:

y = 85

Step-by-step explanation:

5y= 45² - 40²

5y = 2025 - 1600

5y = 425

so, y = 425/ 5 or, 425 by 5

therefore y = 85

thus is your answer please mark it as brainliest answer.