Answer:
2 ( plot the answer on 2)
Step-by-step explanation:
We do the reciprocal of 3/10 because we are dividing fraction. Which would be 10/3. Change the sign to multiplication because we are dividing fractions. And multiply regularly. SO it would be 3/5 times 10/3 = 2
$6!
10% is $3, you just move the decimal to the left one space, and that's 10%, so double is $6
Answer:
x=3, y=1. (3, 1).
Step-by-step explanation:
x+3y=6
2x-7y=-1
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x=6-3y
2(6-3y)-7y=-1
12-6y-7y=-1
12-13y=-1
13y=12-(-1)
13y=12+1
13y=13
y=13/13
y=1
x+3(1)=6
x+3=6
x=6-3
x=3
To solve this question you would set 3x+3 and 6x-57 to equal each other, giving you 3x+3=6x-57. You would then add 57 to both sides, getting you 3x+60=6x, then you would subtract 3x from both sides, getting you 60=3x. Finally, you would divide both sides by 3, getting x=20.
Answer: 1/4
Step-by-step explanation:
In a group of 84 kids 3/7 brought their lunches. This means that the number of kids that bought their lunches will be 3/7 ×total number of kids
= 3/7 × 84 = 36 kids
Of those who bought their lunches 9 got a slice of pizza. This means that 9 kids out of 36 got a slice of pizza.
Fraction of the students who bought their lunches and got a slice of pizza will be the number of students who bought their lunches and got a slice of pizza / the total number of students that bought their lunch. This becomes
9/36 = 1/4