Answer:
QS is 34
Step-by-step explanation:
We find x first. We set each side equal to each other to do so.
5x-3=21-x
6x=24
x=4
Next we find QS value. We add each side.
5x-3+21-x
4x+18
Then we plug in x to find numeric value.
4(4)+18
34
Answer:
35
Step-by-step explanation:
40-5=35
35 is left over so it is yout leftover change or money
Answer:
$30.
Step-by-step explanation:
70/28 = 2.5
12 x 2.5 = 30