Abag contains green marbles and blue marbles, 26 in total. the number of green marbles is 1 more than 4 times the number of blue marbles. how many green marbles are there?

21 green marbles and 5 blue marbles

Step-by-step explanation:

green: g and blue: b

b+g=26

g=4b+1

b+(4b+1)=26

5b+1=26

5b=25

b=5.

g=26-b, g=26-5, g=21.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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only 10/60 isn't equivalent

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