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Nuetrik [128]
4 years ago
6

Can someone may help me with solving system of solving equations plz

Mathematics
1 answer:
iris [78.8K]4 years ago
4 0
Let number of small sodas sold be x
# of large sodas sold be y
so
x + y =35
x=35 - y {equation1}
now next equation
0.65x + 0.45y = 18.55 { divide all by 0.50}
1.3x + 0.9y = 37.1 { put x = 35 - y (from eq 1)}
1.3 (35 - y) +0.9y = 37.1
45.5 - 1.3y + 0.9y = 37.1 {subtract 45.5  from both sides}
-0.4y = -8.4 { divide both by -0.4}
y = 21
so #of large sodas sold is 21
# of small sodas sold is 35 -21 = 14


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Step-by-step explanation:

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3/5 = 24/40 =?/60. what comes at the question mark?​
kherson [118]

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<em>Knowing that 3/5 and 24/40 is equal</em>

<em>Therefore we can either use:</em>

<em>3/5 = ?/60 or 24/40 = ?/60</em>

<em>I will use 3/5 = ?/60</em>

<em>Let ? = x</em>

<em>Hence we have</em>

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<em>6 = x/6</em>

<em>Multiply both sides by 6</em>

<em>x = 36</em>

<em>Therefore, the question mark = 36</em>

<em />

<em>Let's check the answer by Simplifying the fraction:</em>

<em>3/5 = 36/60</em>

<em>3/5 is in already simplify</em>

<em>36/60 simplify = 3/5</em>

<em />

<em>3/5 = 3/5</em>

<em>Thus, the question mark = 36</em>

<em />

<em />

<u><em>[RevyBreeze]</em></u>

<em />

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