SND PLRICO - IMESSON 5-7: MathXL for Schoot Praction \& Problom Solving DUII 5.7.PS-16 Mar 14 : 11.59 pm Litie i Question Help Jamal runs at a constant speed of 3.8 meters per second for $$ \frac{1}{2} $$ hour. Then, he walks at a rate of 1.6 meters per second for $$ \frac{1}{2} $$ hour. How far did Jamal run and walk in 60 minutes? Jamal ran and walked $$ \square $$ meters. (Type an integer or a decimal.)

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Jamal runs at a constant speed of $$ 3.8 $$ meters per second for $$\frac{1}{2}$$ hour and walks at a rate of $$ 1.6 $$ meters per second for $$\frac{1}{2}$$ hour. We first convert $$\frac{1}{2}$$ hour into seconds:

$$
\frac{1}{2} \text{ hour} = 30 \text{ minutes} = 30 \times 60 = 1800 \text{ seconds}
$$

1. **Distance Jamal ran:**

$$
\text{Distance} = \text{Speed} \times \text{Time} = 3.8 \times 1800 = 6840 \text{ meters}
$$

2. **Distance Jamal walked:**

$$
\text{Distance} = \text{Speed} \times \text{Time} = 1.6 \times 1800 = 2880 \text{ meters}
$$

3. **Total distance:**

$$
\text{Total distance} = 6840 + 2880 = 9720 \text{ meters}
$$

Jamal ran and walked $$ 9720 $$ meters.
Jamal ran and walked a total of 9720 meters.

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