(7z + 5) + (2z - 1) + (6z + 3) + (3z - 9) =
= 7z + 5 + 2z - 1 + 6z + 3 + 3z - 9 =
= 7z + 2z + 6z + 3z + 5 - 1 + 3 - 9 = <u>1</u><u>8</u><u>z</u><u> </u><u>-</u><u> </u><u>2</u>
Answer:
13.5 Minutes
Step-by-step explanation:
First you divide 128 by 3 to get the WPM (Words Per Minute) that gets you an average speed of 42.66 WPM so you then divided the total amount of words (576) by 42.66 to get the answer of 13.5 Minutes or to type 576 words.
Answer:
$60+$4.2+$9=$73.20
Step-by-step explanation:
60-total
4.2-sales tax
9-tip
73.20-total
7% of 60 is 4.2
15% of 60 is 9
60+9+4.2=73.20
Hope this helps have a great day
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Answer:
He can buy 4 model cars
Step-by-step explanation:
∵ His total money = the cost of books + the cost of model cars
∵ He buys 6 books and the price of each book is $2
∵ The cost of each model car is $7 , let the number of model cars is c
∵ He has $40
∴ 6 × 2 + 7 × c = 40
∴12 + 7c = 40
∴ 7c = 40 - 12 = 28
∴ c = 28/7 = 4
∴ He can buy 4 model cars
Answer:Dang i dont know.
Step-by-step explanation: