Answer:
56 quizzes
Step-by-step explanation:
40 quizzes = 5 weeks
To find the unit rate of quizzes / week, we can divide both sides by 5
40/5 quizzes = 5/5 weeks
8 quizzes = 1 week
Multiply both sides by 7 to find the amount of quizzes in 7 weeks
8 * 7 quizzes = 1 * 7 weeks
56 quizzes = 7 weeks
Answer:
45
Step-by-step explanation:
8cm=67-8
Answer:
Step-by-step explanation:
Cross multiplying
5z =14*24
5z = 336
Divide by 5
z = 336/5
Or mixed fraction z= 67(1/5)
Decimal z= 67.2
Answer:
y=6x+8 I think I'm not shure about that.
Answer:
10 experiments
Step-by-step explanation:
Given:
Amount of substance A = 
Amount of substance B =
Total amount of mixture = 
Now, amount used for each experiment = 
So, number of experiments conducted = 
Therefore, the number of experiments conducted are 10.