Mathematics: Jennifer has 4/5 as many pictures on her camera has luisa does. jennifer has 28 pictureson her camera. how many pictures do jennifer and luisa have in all? a.63 b.60 c.70 d.35

Jennifer has 4/5 as many pictures on her camera

Ответ:

mepuppy5000

01.01.2022

Let us assume the number of pictures that Luisa has = x
Number of pictures Jennifer has in her camera = 4x/5
It is also given in the question that Jennifer has a total of 28 pictures in her camera.
Then we can write the equation as
4x/5 = 28
4x = 28 * 5
4x = 140
x = 140/4
= 35
So the number of pictures that Luisa has = 28
Number of pictures that Jennifer and Luisa have in all is = 28 + 35
= 63
So the correct option among all the options given in the question is option "a".

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Ответ:

priscillarios30

13.11.2020

Mathematics

$a_1=4\\a_n=10-3a_{n-1}\\\\a_2=10-3a_1\to a_2=10-3(4)=10-12=-2\\\\a_3=10-3a_2\to a_3=10-3(-2)=10+6=16\\\\a_4=10-3a_3\to a_4=10-3(16)=10-48=-38\\\\a_5=10-3a_4\to a_5=10-3(-38)=10+114=124\\\\\underline{\text{..n..|..1..|..2..|...3...|...4...|...5...}}\\a_n\ \ \text{|..4..|.-2..|..16..|.-38.|..124}$

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Jennifer has 4/5 as many pictures on her camera has luisa does. jennifer has 28 pictureson her camera. how many pictures do jennifer and luisa have in all?
a.63
b.60
c.70
d.35

Ответ:

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