28-07-2014
Mathematics

Answered

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

Answer :

iloveonedirection iloveonedirection

29-07-2014

[tex]64+69+73 = 206[/tex]

[tex] \frac{206+x}{4} =70[/tex]

[tex]206+x=280[/tex]

[tex]x=74[/tex]

Andrew needs at least a 74% on the final exam.

Answer Link

Other Questions

How do you write 120 as a fraction mixed number or whole number in simplest form

How do I find the variable N x 15 215 N 15 13

How do you turn 96 into a mixed number

In The Communist Manifesto Karl Marx hypothesized that capitalism would fail if workers

The cost of 5 similar digital cameras and 3 similar video cameras is 3213 Each video camera costs 4 times as much as each digital camera John buys a digital cam

A moving company is trying to store boxes in a storage room with a length of 5 m width of 3 m and height of 2 m How many boxes can fit in this space if each is

Which of the following was not an event leading up to the American Revolution A Boston Massacre B French and Indian War C British taxation policies D War of Spa

How do I do this Can someone fill in the blanks

What is the ratio 15 to 35 written as a fraction in lowest terms

How can I resolve 53 45 means X