neariah24
01.08.2019 •
Mathematics
You and four of your friends plan to stay at a bed and breakfast for two nights. the total cost of your stay is £186. you each need to pay 1/5 of the cost. your friend says this is the same as 25% of the cost. is your friend correct?
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Ответ:
divide 1 by 5. 1 /5 = 0.2 which equals 20%
this is less than 25% so the friend is not correct
Ответ:
?=25
Step-by-step explanation:
15/x=21/x+10
Cross Multiply
15X+150=21X
SUBTRACT 15 X ON BOTH SIDES.
150=6x
DIVIDE 6 IN BOTH SIDES.
x=25