4 years ago

29 kg of onions cost $145.how much would 12 kg cost?

1 answer:

7 0

I am pretty sure the answer is 60 because 145 divided by 29 is 5 you multiply by 12 you get 60

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Leto [7]

Answer:

d. 20

Step-by-step explanation:

The given question implies 5 permutation 2, i.e $_{5}$ $P_{2}$ .

But,

$_{n}$ $P_{r}$ = $\frac{n!}{(n - r)!}$

So that for $_{5}$ $P_{2}$ , n = 5 and r = 2.

$_{5}$ $P_{2}$ = $\frac{5!}{(5 - 2)!}$

= $\frac{5!}{3!}$

= $\frac{5*4*3*2!}{3*2!}$

Cancel out 3 and 2 with respect to the numerator and denominator.

$_{5}$ $P_{2}$ = 5 * 4

= 20

Therefore,

$_{5}$ $P_{2}$ = 20

So that the correct option is D.

6 0

3 years ago

Tcecarenko [31]

.28 if 1 was 100,and .28 was 2.8, then we divide 100 by 100 same for 2.8

6 0

3 years ago

stiv31 [10]

Y=20+2x I think this is right

4 0

3 years ago

ra1l [238]

It should be 6100 which rounded to the nearest ten gives 61 × 10²

5 0

3 years ago

NemiM [27]

mike can afford 7 model cars

4 0

3 years ago