Answer:
20 pencils
Step-by-step explanation:
4 pens (4) = 16 pens
5 pencils (4) = 20 pencils
This works because 4/5 and 16/20 are the same ratio, 16/20 isn't simplified..
<span> 10x + 6 = 21
first subtract 6 from both sides of the equation
10x=15
so I believe the answer you are looking for is 10x=15
If you take this one step further and solve for x then you divide both sides of the equation by 10 so then the solution is x=1.5
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Answer:
4 and 19
Step-by-step explanation:
One number : 4x+3 (this is 3 more than 4 times x)
Another number: x This is tricky because the main number for comparison is "another number", which is x
Sum of the #s is 23: Means add them and = 23, so
x+(4x+3) = 23
5x+3=23
5x=20
x=4 and the other # is 4x+3, so 4(3)+3=19
Answer: -3/2
Step-by-step explanation:
Answer:
x=10 degrees
Step-by-step explanation:
2x+8+62=90
2x+70=90
2x=20
x=10
