Answer:
7
Step-by-step explanation:
x * x = 7x
7 x 7 = 7 x 7
49 = 49
so if x is 7, the equation is true...
Answer:
The new ratio is
⇒ (D)
Step-by-step explanation:
<em>The given information is</em>
- 6 parts of yellow paint with 3 parts of blue paints to make green paint
- The yellow paint adds by 1 part
We need to find the ratio of yellow to blue
<em>Let us find the correct answer</em>
∵ The yellow = 6 parts
∵ The yellow adds by 1 part
∴ The yellow = 6 parts + 1 parts = 7 parts
∵ The blue = 3 parts
∵ The ratio of yellow to blue =
∴ The ratio of yellow to blue = 
The new ratio is
Answer:
Step-by-step explanation:
2. 9a +4c=43
a+c=7
The total tickets for adults and children = 7 (a+c =7) 7 people in all
price for adult = $9 (9a) Price per child =$4 (4c)
total price =$ 43
9a +7c = 43
Hope it helps you
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