healthy fish need 1 litre of water for every 10 grams they weigh young trout weight between 100g and 250g work out the maximum number of young trout you can have in three tanks

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

hi! i think the answer is 1/2 : )

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