What average must she obtain on the next test to have an average on the next test to have an average of exactly 80 % on test four

What average must she obtain on the next test to have an average on the next test to have an average of exactly 80 % on test four

I have this practice question but I don’t understand it, so two students were asked to find the weight of a penny on a digital balance. The first student (mike) found the weight was 0.001 grams and...

If we went half on an $653.00 unit and I wanted to buy the other person out how much will I have to give them ???

SAFF (Students against Fatty Food) is a group of students who are protesting the food in high school cafeterias. At a recent rally, the students covered the first 40 yards by 40 yards of...

D= {z| z<1} E= {z | z _> 9}

The circle (parametric) equations evaluated at the end points of the closed interval 0 to 2π, which is usually taken, results in overlapping points on the circle.

find percentage

Basic sixth grade math word problem

Im trying to figure the highest and lowest possible grade I can get in my math class. Unfortunately I can't find anything that explains how to do that. I've been able to figure out that I currently...

5/8, 9/16, 63%, 0.67 least to greatest

In a survey of 100 students, the numbers taking various courses were found to be English, 64 ; mathematics, 46; chemistry, 56; English & mathmatics,26; English & chemestry,32; mathematics...

During its second year of its operation, Juan's Nursery had a 325% increase in its business revenue. If its revenue in the second year was $2,639,000, what had been its revenue for the first year...

A fruit vendor had $467.98 cash on hand in the morning. Total cash receipts after selling fruits during afternoon were $984.56 and during night were $2,573.69. The fruit vendor gave $3,300 cash to...

There are seven plates. 5 plates are red, 2 plates are black. In total, they weigh 9.5 pounds (lb). All red plates weigh the same, all black plates weigh the same. If the red plates are 0.2(lb) less...

100 (99/100)

story problem

There are 89 comments about this math problem on FB. 20/2(5+5)= the answers include 0, 1, and 100 no wonder many of our kids have trouble with...

I want to know the answer because I believe I'm correct but some people think otherwise.

for a poetry concert of 30 minutes a poet takes 1 hour for writing the poem and 6 hours for rehearsal. how much time will he take for 90 hour concert.

100 (99/100)