Nico is saving money for his college education. he invests some money at 7%, and $1200 less than that amount at 3%. the investments produced a total of $174 interest in 1 yr. how much did he invest at each rate? he invested $ 7% and at 3%.

Nico invest at 7% and at 3%

Step-by-step explanation:

we know that

The simple interest formula is equal to

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

At 7%

substitute in the formula above

At 3%

substitute in the formula above

The total interest is equal to

I=I1+I2

I=$174

substitute

therefore

Nico invest at 7% and at 3%

8

step-by-step explanation:

to find the amount of gift bags to use all the supplies, find the gcf or greatest common factor. this is the largest number which multiplies evenly into each term.

48 has factors: 1, 2, 3, 4, 6, 8, 12. 16, 24, 48

80 has factors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

64 has factors: 1, 2, 4, 8, 8, 16, 32, 64

the highest number factor they all share in common is 8. this means there will be 8 bags with 6 pencils, 10 markers, and 8 stickers in each bag.

dont trust me im no expert these losers made me fail a test bro this sucks

step-by-step explanation: