Question

Natasha received 15 coins from her mom for cleaning her room. Some coins were quarters and others were dimes. If she earned $1.95, how many of the coins were dimes?

a. 3
b. 6
c. 9
d. 12 <--- is this correct?

Jake and Amanda drove for 9 hours against a wind speed of 8 mph. Traveling with the same wind speed, it took them 7 hours to make the return trip. How fast were they traveling in still air

a. 64 mph (i think this one)
b. 66 mph
c. 68 mph
d. 70 mph

Answer 1

both answers sound right

Answer 2

thanks but sound isnt very exact... :/

Answer 3

ok they're perfectly right

Answer 4

are you positive?

Answer 5

i could solve them for you...
a dime is 10 cents(i think)
12 dimes=>1.2$ and 3 quarters=>1.95$
2nd question. the distance is the same =>9(x-8)=7(x+8)...

Answer 6

Thanks (:

Answer 7

yw