7=3(5+x). 7 represents the pay altogether. 3 represents the total number of people. 5 represents the price of a ticket +x which represents the coupon
Answer:
0.077
Step-by-step explanation:
Marco can divide 77 by 1000 to convert it to dekagrams
There are 0.077 decagrams per 77 centagrams
9/10. make the bottom numbers the same to add fractions. you can do that by multiplying 7/10 by 10/10.
70/100 + 20/100 = 90/100
90/100 = 9/10
you can also reduce 20/100 to 2/10.
7/10 + 2/10 = 9/10
That's easy if there is 100 chairs there would be 10 rows with ten chairs in each row