Answer:
Sam is 12, sam's brother is 19, and sam's mom is 32.
Step-by-step explanation:
First the equation you need to use is S+7+S+3S-4=63(the variable s represents Sam), you combine the like terms which then equals 5S+3=63, then you use inverse operations. Subtract 3 on both sides, 5S=60, then you divide on both sides which equals S equals 12. Then you just plug in the number, S is Sam which means Sam's 12. Then 12+7 which is 19, Sam's brother. Then 3 times 12 minus 4 is 32. And if you check to make sure, 12+19+32 does equal 63.
Answer:
(-1, 9) (he x value is placed first).
Step-by-step explanation:
y = -3x + 6
y = 9
Substitute y = 9 into the first equation:
9 = -3(x) + 6
-3x = 9 - 6
-3x = 3
x = -1.
Answer:
A. 24 sales
Step-by-step explanation:
We Know:
$1000 paycheck
$30 for every sale
1720 - 1000 = $720 (Sales cost total)
720 / 30 = 24 (sales)
Answer:
70%
Step-by-step explanation:
To find the total percentage of his $60 dollars that he spent on fruit, we simply take the amount of money spent on fruit divided by the total spent.
% spent on fruit = 42 / 60
% spent on fruit = 0.7
% spent on fruit = 70 %
Cheers.
Looks like a irrational answer because it has a meaning