3 years ago

Is the maximum of the minimum the same as the minimum of the maximum?

1 answer:

7 0

No, it is not the same. Take 10 as an example. If that is the maximum of the minimum, it cannot go any higher than 10. If you now want to use it as the minimum of the maximum it HAS to be higher than ten. It cannot be less. (x<10, x>10)

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3 years ago

alex spent 3/7 of his money he gave 1 /4 of the remainder to his sistet he haf $120 left how much money did he in the beginning

Sonbull [250]

Let his total money be x.
He spent (3/7)*x of his money.
He gave 1/4(x-3/7x) to his sister.
which is : (1/4)*(4/7)*x = (1/7)*x
Now,
How much money he have in the beginning =
(3/7)*x+(1/7)*x+120=x
(4/7)*x+120=x
120=x-(4/7)*x
120=(3/7)*x
x=120*7/3 [cross multiplication]
x=280.

So, Alex had $280 in the beginning.

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3 years ago

Please help, i have no idea what i did wrong.<br> 20 points !

tresset_1 [31]

Answer:Second Step

Step-by-step explanation:

On the right side in step two you added -3b-15b, and ended up with -12b. This is incorrect. -3b-15b is actually -18b

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2 years ago

The table below shows the number of marbles of different colors in a bag: Color of Marbles Number of Marbles Pink 5 Blue 2 Green

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