15=pants
d less than pants means
15-d
5 of them
5(15-d)=cost of shirts
so total cost=15+5(15-d)
It would first be 0.7 and then 1.1
In order to determine the number of boys in the class, first, we set-up an algebraic equation. Let x = number of boys in the class. The equation is then: x + 4x = 45. This is because the number of girls is 4 times greater than the number of boys. After solving the algebraic equation, it is then determined that there are 9 boys in the Chemistry class.
121/100 is the answer. it cant be simplified anymore
Answer:
![2,25[-3 + x]](https://tex.z-dn.net/?f=2%2C25%5B-3%20%2B%20x%5D)
Step-by-step explanation:
The Greatest Common Divisor [GCD] is 2,25; you factor that out, leaving the remaining result inside the brackets.
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