Answer:
• Let x be the number of members
• In inequalities, at least means greater or equal ( ≥ )
• To get the average, substitute for x as 99 and amount collected by each member
Find the LCM (least common multiple) of 15 and 8. LCM =
2 answers:
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Answer:
Time taken by Doreen is 6 hours and speed is 10 miles per hour.
Time taken by Sue is 4 hours and speed is 20 miles per hour.
Step-by-step explanation:
Let the speed of Doreen be x
According to the question speed of Sue is = x+10
time taken By Sue to cover 80 miles =
time taken by Doreen to travel 60 miles =
According to question Sue take two hours less than Doreen takes
therefore
-
=2
=2
60(x+10) -80x = 2(x(x+10)
60x+600-80x =
simplifying it ,we get
Dividing both sides by 2 ,we get
solving it for x ,we get
(x+30)(x-10) =0
x =-30 which is not possible
x =10 miles per hour
Speed of Doreen = 10 miles per hour
Speed of Sue = 10+10 = 20 miles per hour
Time taken by Doreen = 60 divided by 10 = 6 hours
Time taken by Sue = 80 divided by 20 = 4 hours
For this case we have that Lauren's initial amount of money was $ 50, if he spends $10 and $12 on admission and strawberry pie respectively we have:
$50 - ($10 + $12) = $50- $22 = $28
That is, she has $ 28 left
n: Let the variable that represents the amount of games Lauren can play.
Then, it must be fulfilled that:
Thus, Lauren can play 37 times the game (at most)
ANswer:
Thus, Lauren can play 37 times the game (at most)