Question

solve. check that your answers are reasonable. 9 josefina is buying 10 pounds of salmon which costs $6.78 per pound. how much will the salmon cost?

Explanation:

Step1: Identify given values

Weight of salmon = 10 pounds, Cost per pound = $\$6.78$

Step2: Calculate total cost

Total cost = Weight $\times$ Cost per pound
$\text{Total cost} = 10 \times 6.78$

Step3: Verify reasonableness

Estimate: $\$6.78 \approx \$7$, so $10 \times 7 = \$70$. Exact value is close to estimate, so reasonable.

Answer:

$\$67.80$