1/r = (3 1/2)/245
(3 1/2)r = 245
r = 245/3 1/2
r = 70
scale is 1 in to 70 miles.
Answer:
2 Dollars
Step-by-step explanation:
First check how much it would cost for 3 teachers to buy the present like this:
24÷3
3_/24
08
1 teacher pays 8 dollars
now If Do this Over with 4 teachers
24÷4
4_/24
06
1 teachers pays 6 dollars
now the difference is 8-6 = 2 dollars
i think you can do this one : )