[tex]1\dfrac{1}{7}=\dfrac{1\cdot7+1}{7}=\dfrac{8}{7}\\\\1\dfrac{1}{7}:\dfrac{1}{9}=\dfrac{8}{7}:\dfrac{1}{9}=\dfrac{8}{7}\cdot\dfrac{9}{1}=\dfrac{72}{7}[tex]

Answer: 1 1/7 : 1/9 = 72 : 7

8 0

3 years ago

I am going 60 miles away and I am driving 40 miles per hour the whole way how long will it take me to get there

andrezito [222]

if you are driving 40 miles per hour

1 hour = 40 miles

60-40 = 20 miles left

20/40 = 0.5

1+0.5 = 1.5 total hours

8 0

3 years ago

Maddie has 180 coins. Of these coins, 1/12 are dimes. About how many dimes does she have?

tia_tia [17]

Remember that "of" means to multiply.
(1/12) of 180 coins are dimes. The number of dimes will be
(1/12)*180 = 180/12 = 15

8 0

3 years ago

If Aditya can travel 80 km in 2 hours how many kilometres can he travel in 3 and half hours

ivann1987 [24]

Answer:

distance covered in 2 hours = 80 km

distance covered in 1 hour = 80÷2 = 40 km

distance covered in 7/2 hours = 40 × 7/2

= 140 km

(3 1/2hours = 7/2 hours)

8 0

3 years ago

Convert 112 from binary to base 10:​

Convert 112 from binary to base 10: