Luis bought stock at $83.10. the next day, the price increased $10.10. this new price changed by −6 3 4 %

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step-by-step explanation:

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.