Answer:
Step-by-step explanation:
5x-x+3x=30 - since there is all x’s, you can combine like terms .
7x=30 now divide both sides by 7
x=4 2/7 = 30/7
Altogether there are 22 pencils
the probability of picking 1 blue pencil is 8/22
i hope this helps and is right :)
Answer:
The relative frequency of 45 is 1
Step-by-step explanation:
You have to convert the fraction so the bottom number is 100
1900: 14/25=56/100
1910: 29/50=58/100
1920: 53/100
1930: 13/20= 65/100
1940: 3/5=60/100
Your answer would be 1930: 13/20= 60/100
Answer:
multiplication
Step-by-step explanation: