Answer:
A, D
Step-by-step explanation:
A. 5x = 20
divide by 5 on both sides
x = 4
D. x/2 = 2
multiply both sides by 2
x = 4
B and C would equal -4
E would equal 64
Answer:
y4 i hope thiss helps
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
The ratio of Spanish students (S) to French students (F) is ...
S : F = 1.5 : 1
Multiplying that ratio by 2 gives ...
S : F = 3 : 2
This tells us there are 2 students taking French for every 3 taking Spanish.
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<em>Comment on the problem statement</em>
Dragging students is a bad idea.
Answer:
Janine is 28. Ingrid is 30.
Step-by-step explanation:
Let the ages be x and x + 2 for Janine and her sister, respectively.
x/7 + (x + 2)/3 = 14
Multiply both sides by the LCD, 21, to get rid of denominators.
21 * x/7 + 21 * (x + 2)/2 = 21 * 14
3x + 7(x + 2) = 294
3x + 7x + 14 = 294
10x = 280
x = 28
x + 2 = 30
Answer: Janine is 28. Ingrid is 30.
