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Vesna [10]
3 years ago
11

I need the answer ASAP please

Mathematics
2 answers:
rosijanka [135]3 years ago
7 0

Answer:

<h2>a ≤ 7</h2>

Step-by-step explanation:

4a+7\leq35\qquad\text{subtract 7 from both sides}\\\\4a+7-7\leq35-7\\\\4a\leq28\qquad\text{divide both sides by 4}\\\\\dfrac{4a}{4}\leq\dfrac{28}{4}\\\\a\leq7

lara [203]3 years ago
5 0

a \leq 7

because 4a + 7 - 7 \leq 35 - 7

equals 4a \leq 28

and 4a/4 \leq 28/4

equals a \leq 7

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twice the number of donuts was only 6 less than 24 times the number of cream puffs. 10 times the number of cream puffs was only
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donuts and cream puffs were  45 & 4 respectively !

<u>Step-by-step explanation:</u>

Here we have , twice the number of donuts was only 6 less than 24 times the number of cream puffs. 10 times the number of cream puffs was only 5 less than the number of donuts   We need to find how many donuts and cream puffs were there . Let's find out:

Let number of donuts and cream puffs are x & y respectively ! So ,

  • twice the number of donuts was only 6 less than 24 times the number of cream puffs

According to this statement equation is :

⇒ 2x=24y-6

⇒ x=12y-3            ................(1)

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According to this statement equation is :

⇒ 10y= x-5

⇒ x=10y+5               ................(2)

Equation (1) & (2) :

⇒ 12y-3=10y+5

⇒ 2y=8

⇒ y=4

Putting  y=4 in  x=12y-3  :

⇒ x = 12(4)-3

⇒ x = 45

Therefore , donuts and cream puffs were  45 & 4 respectively !

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