Marco has 84 coins in dimes and quarters. the ratio of the number of dimes to quarters is 3: 4. a) find the number of dimes. b) calculate the value of marco's coins.

Step-by-step explanation:If you have 84 coins total and your ratio of dimes to quarters is 3:4,that is 7 coins.

12 times 7 is 84.

At this ratio you will have 36 dimes and 48 quarters.

36 dimes is $3.60 and the value of the quarters is $12.

Added together they have a value of $15.60

the answer is 200

step-by-step explanation:

the way the question is worded, it seems to imply the $264 interest is simple interest, not compound interest.

the simple interest for 2 years is $264; the simple interest for 1 year is $132.

$132 interest on a $600 investment means an interest rate of (132/600)*100 = 22%.

the value of $200 at 22% interest compounded annually for three years is

200%281.22%29%5e3

the amount of interest is that value, minus the original $200.

she drove 134 miles

step-by-step explanation: