7) (4 pts) Ms. Millipede's walking speed is \( 2 \) inches/sec. Convert this to \( mm / minute \) . Use the conversion \( 1 \) in. \( = 2.54 cm \) , along with suitable metric conversions. Do the work using unit conversion factors as shown in the videos.

2×2.54=5.08cm/s

A recipe for vegetable frittata calls for \( 10 \) chard leaves for every \( 6 \) eggs. Eggs are available either by the dozen for \( \$ 3.20 \) or by the half-dozen for \( \$ 1.70 \) . Marissa wants to use \( 25 \) chard leaves to make a frittata. What is the minimum she must spend on eggs to use all of the chard leaves while keeping the recipe in the correct proportion?

A) \( \$ 3.20 \)

B) \( \$ 4.00 \)

C) \( \$ 4.90 \)

D) \( \$ 5.10\)

One gram of fat is equivalent to \( 9 \) calories, \( 1 \) gram of protein is equivalent to \( 4 \) calories, and \( 1 \) gram of carbohydrates is equivalent to \( 4 \) calories. If a granola bar weighs \( 1.4 \) oz and is \( 37.5 \% \) fat by weight, \( 15 \% \) protein by weight, and \( 40 \% \) carbohydrates by weight, how many calories, to the nearest calorie, are in the granola bar, if \( 1 \) ounce is \( 28.34 \) grams?

With a certain medical insurance policy, the customer must first pay an annual \( \$ 350 \) deductible, and then the policy covers \( 70 \% \) of the cost of x-rays. The first insurance claims for a specific year submitted by a person are for two \( x \) -rays. The first x-ray cost \( \$ 670 \) , and the second \( x \) -ray cost \( \$ 940 \) . How much, in total, will he need to pay for these \( x \) -rays?

Manny has an investment account that compounds interest continuously at a rate of \( 3.1 \% \) . After \( 2 \) years, he has \( \$ 7500 \) in the account. How much money did he initially place in the account? Round your answer to the **nearest dollar**. Do **NOT** round until you have calculated the final answer.

Provide your answer below:

Alice is opening a savings account that earns \( 2.2 \% \) interest, compounded continuously. How much will she need to deposit in the account so that she has \( \$ 6,200 \) after \( 3 \) years? Round your answer to the nearest dollar. Do NOT round until you have calculated the final answer. Provide your answer below: