Answer:
84
Step-by-step explanation:
Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.
83+83+83+87 = 336
Divide by the total number of quizzes because they are equally weighted.
336/4 = 84
Her new average score is 84.
Answer:
h = y - w / x
Step-by-step explanation:
Let weekly salary be w.
amount every hour = h
Then, it can be written as an equation:
=> y = hx + w
=> h = y - w / x
Answer:
Sure! I'll look you up!
Step-by-step explanation:
<span>Since 8 is a whole number and ⅖ is a fraction, it doesn’t make it that complicated. Fraction is just like division, you just make the number on the top as your dividend and the number below as your divisor. First, get the quotient of the fraction ⅖ which is 0.4. Since you are looking for the ⅖ of the whole number 8, you need to multiply it. The quotient 0.4 will be multiplied to 8. Or you can simply multiply 2 by 8 and divide it to 5. The answer would be 3.2</span>
Answer:
12
Step-by-step explanation:
9 + 3 = 12
Where are these "hearts"?
