3/10 due to there being 10 marbles (for white) for blue 7/10
when two numbers have the same variable, we can add and subtract just like normal numbers.
12x + 8x = 20x - 3x = 17x
Answer:
85x
Step-by-step explanation:
Add 4 and 3 . 5 x ( 28 − 4 − 1 * 7 ) Multiply − 1 by 7.
5 x ( 28 − 4 − 7 )
Simplify the expression. Subtract 4 from 28.
5 x ( 24 − 7 )
Subtract 7 from 24.
5 x * 17
Multiply 17 by 5.
85 x
Answer:
5% p.a will rate of interest
