An experienced welder makes $\frac { 5 } { 2 }$ as many welds as a beginning welder. If an experienced welder and a beginning welder complete 210 welds, how many were from the experienced welder and how many from the beginning welder?
A) A beginning welder makes 150,
An experienced welder makes 60.
B) A beginning welder makes 90,
An experienced welder makes 120.
C) A beginning welder makes 60,
An experienced welder makes 150.
D) A beginning welder makes 50,
An experienced welder makes 160.
E) A beginning welder makes 70,
An experienced welder makes 140.

Question

Quizplus · Accepted Answer

Let the number of welds made by a beginning welder be $x$. Therefore, an experienced welder makes $\frac{5}{2}x$ welds. The total welds made by both is $x + \frac{5}{2}x = \frac{7}{2}x = 210$. Solving for $x$ gives $x = 60$, so the beginning welder makes 60 welds and the experienced welder makes $150$ welds ($\frac{5}{2} \times 60$).

An Experienced Welder Makes 52\frac { 5 } { 2 }25​

An Experienced Welder Makes $\frac { 5 } { 2 }$