Explanation

Profit = Selling Price - Cost Price

= 540 - 470

= 70

Profit Percentage = (Profit ÷ Cost Price) × 100

= (70 ÷ 470) × 100

= 15 (14.89%)

Explanation

"The sentence is in the present perfect tense, indicating an action that started in the past and continues to the present.

'Have resigned' is the correct phrase to use, showing that seven people left their job."

Explanation

When 52416 is divided by 312, the quotient is 168. To find the quotient when 52.416 is divided by 0.0168, we can set up a proportion:

52416 ÷ 312 = 168

52.416 ÷ 0.0168 = x

We can then cross-multiply and solve for x:

x = (52.416 × 312) ÷ 0.0168

x = 3120

So, the quotient is 3120.

Explanation

The Black Lives Matter (BLM) movement originated in the United States in 2013, after the acquittal of Trayvon Martin's murderer.

The movement gained widespread attention and support in 2020 following the police killings of George Floyd, Breonna Taylor, and other African Americans.

BLM protests and activism have since spread globally, but its roots and core initiatives began in the US.

Explanation

We use no one, nobody, nothing and nowhere to refer to an absence of people, things or places.

We use them with a singular verb: Nobody ever goes to see her. She's very lonely.

Explanation

The CPU (Central Processing Unit) executes instructions and performs calculations.

This making it the primary component responsible for processing data in a computer.

Explanation

Modification of stationary barchans, which are crescent-shaped sand dunes.

It often leads to the formation of linear dunes, known simply as "dunes."

These dunes are typically longer and straighter than the original barchan shape.

Explanation

The phrase "A series of" is singular, so it takes the singular verb "was."

This structure emphasizes that the lectures were given as part of one unified series.

Explanation

"Further" is used to indicate a deeper level of investigation.

"Most apparent" correctly suggests that something became increasingly clear.

Explanation

The United States launched its first strikes in Afghanistan on 7 October 2001.

This was part of Operation Enduring Freedom, targeting the Taliban regime.

The operation was in response to the September 11 attacks.