In a certain chemical, the ratio of zinc to copper is 3 to 13. A jar of the chemical contains 650 grams of copper. How many grams of zinc does it contain?
It contains
grams of zinc.

 150 grams of zinc

Work Shown:

zinc/copper = 3/13

z/650 = 3/13

13z = 650*3

13z = 1950

z = 1950/13

z = 150

dalila is incorrect. the whisker on the left is very long, going all the way out to 5. the whisker goes from 5 to 30, so it has a spread of 25. the rest of the box plot values are closer together, so 5 is an outlier

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true