For question 3, you needn't worry about the number of total students asked. The question is really just asking you what's 45% as a fraction, which is 9/20. This is because 45% = 45/100, divided by 5 = 9/20.
For question 6, just substitute in the values. So you do 4(7 × 4 - 3 × -7), which gives you 4(28 - -21). Two minuses make a plus, so it's just asking you to do 4 × 49 (because 28 + 21 = 49). The answer is 196.
Understand the concept of a unit rate a/b associated with a ratio a:b with b ≠ 0, and use rate language in the context of a ratio relationship. For example, “This recipe has a ratio of 3 cups of flour to 4 cups of sugar, so there is 3/4 cup of flour for each cup of gallons of water.”How many cups of disinfectant are needed for 20 gallons of water so c is
X-\ number
x*7<49 | divide by 7
x<7
x from -infinity to 7
Answer:
Grace is the faster swimmer
Step-by-step explanation:
because Grace can do 25 m in .5 min, whereas Melanie can do 65 m in 1 minute, or 32.5 m in .5 min.
equation-
300 ÷ 5 = 60
325 ÷ 5 = 65
Answer:
I think the answer is 70
Step-by-step explanation:
40 + 15 = 55 and when you add 15 to 55 you get 70 but this might not be right!
