Every year, Desmond's grandmother knits him a cozy wool sweater for his birthday. Desmond's favorite color is red, so she plans to buy 700 yards of thick red wool for his
sweater this year. She chooses a wool that is sold in 420-foot skeins, or bundles. How many
skeins should she buy?

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30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

answer: what are the following choices

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.