Lauren is 3 years older than Megan and Alyssa is 3 years younger than Megan. The sum of their ages is 42. How old is each girl?

Lauren: 17; Megan: 14; Alyssa: 11

Step-by-step explanation:

L17A 14 M 11based of agd differnve7

i got 10.28 but that rounds up to 10.3

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.