Answer:
$3000
$1000
Step-by-step explanation:
the formula for simple interest = principal x time x interest rate
let the amount invested in the 2% investment be a
let the amount invested in the 3% investment be (4000 - a)
(a x 0.02 x 1) + ([4000 - a] x 0.03 x 1) = $90
0.02a + 120 - 0.03a = 90
Collect like terms and solve for a
0.01a = 30
a = $3000
The amount invested in the 3% investment be (4000 - a) = $4000 - $3000 = $1000
Answer:
no clue lol.
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Answer:
13 miles
Step-by-step explanation:
The mid- segment is one half the size of the third side of the triangle, thus
distance across lake = 2 × 6.5 = 13 miles
1,260 possible arrangements of "balloon" using 7!/[2!*2}
