Answer:
13.5 inches
Step-by-step explanation:
3inches:10 miles
x inches: 45 miles
do cross multiply:
3*45=135
10*x=10x
so 135=10x
x=13.5 inches
Answer:

Step-by-step explanation:

♨Rage♨
x= morning
y = afternoon
x + y = 10
x=10-y
5x + 6y =57
5(10-y) +6y =57
50-5y +6y =57
y=7
x=10-7 =3
check 3*5 = 15, 7*6 = 42, 42 + 15 = 57
3 morning practices
Answer:
68 cookies
Step-by-step explanation:
72 x (1/2+4/9)= 68
There are 68 cookies left to bake
Answer:
its what
does this help
Step-by-step explanation:
Velocity ratios are calculated by dividing the driver gear by the driven gear. The driver gear or pulley is the one connected to the power - e.g. the pedals on a bicycle or the motor. To calculate the speed of the driven gear - multiply the speed of the driver gear by the velocity ratio.