4x+9=17
4x-9=-9
4x=8
4x/4=8/4
X=2
Answer:
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Answer:
17%
Step-by-step explanation:
If 30% of the school is girls and 10% wear glasses, that means that at least 3% of the school wears glasses. (10 percent of 30%) If 70% of the school is boys and 20% of boys wear glasses, at least 14% of the school wears glasses. (20% of 70%) If you add both of those numbers together it adds up to 17%.
Answer:
B) 4 tablespoons of salt
Step-by-step explanation:
Here is the correct question: Scott used 1/3 tablespoons of salt to make 1/4 liters of beans. If Scott's recipe is for 1 liter of beans, how much salt will he need to make triple the recipe?
Given is the ratio of salt and beans to make recipe for 1 liter of beans.
Ratio given for 1 liters of beans;
.
Now, simplifying the ratio

∴ Ratio for salt and bean in a recipe for 1 liter of beans is
.
Next, finding the proportion of salt to make triple the recipe.
Triple the recipe means 3 times of 1 liter of beans, which is 3 liters of beans.
∴ The proportion of salt in 3 liter beans= 
Hence, 4 tablespoon of salt is required to make 3 liters of beans or triple the recipe.
Number 1 = 17
number 2 = 72
number 3 = 24
work:
the three numbers are symbolized as x, y, and z
x + y + z = 113
number 2 (y) is 3 times the third number (z) so
y = 3z
so x + 3z + z = 113
the first number (x) is 7 less than than the third number (z) so
x = z - 7
so z -7 + 3z + z = 113
5z - 7 = 113
5z = 120
z = 24
x = 17
y = 72
Hope this helped :)