How is converting grams to milligrams similar to converting pounds to uonces? How is it different?

Similar: In both cases, it is converting a large unit to a smaller unit.Different: Grams to milligrams is multiplying by 1000 or simply moving the decimal point three places to the right. Pounds to ounces requires multiplication by 16.

Step-by-step explanation:

You use ratios to convert. The actual ratios are different. 1000mg/1g and 16 ounces/1pound

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let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt