Answer:
3*g = 48
Step-by-step explanation:
Greg's score multiplied by 3 is equal to 48 (the product).
The sum of two rational numbers will always be <u>rational</u>
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, therefore it will always be rational
Answer:2(-5)+3(7)-11=-10+21=11-11=0
Step-by-step explanation:
Answer:
4 hours
Step-by-step explanation:
For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:
120 +20x = 50x
120 = 30x . . . . . . . . subtract 20x
4 = x . . . . . . . . . . . . . divide by 30
The electrician worked 4 hours that day.