Arjun incorrectly writes log7 + log7 − log7 as a single logarithm. log7+1og7 y-log7 z =log7 (x+y-z) Where did Arjun make errors? Explain his errors and the properties of logarithms that leads to the correct answer. State the correct answer.

step-by-step explanation:

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2 1/2 feet

step-by-step explanation:

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