Answer:
10/21=30/63
4/9=28/63
Step-by-step explanation:
Find the lcm (least common multiple) of 21 an 9, which is 63. Then divide 21 and 9 separately by 63. The multiply that number by the numerator.
Answer:
kira
Step-by-step explanation:
1.75*4 is greater than 1*5
Answer:
230
Step-by-step explanation:
use the multiplication property, it doesn't matter what wa ugh you do it because multiplication is on both sides
First combine like terms:
14d+-2d=12d
Then do -84 divided by 12 = -7
D= -7
The number of children who contribute toward the present is represented as

The cost of the present is 120 and the children split the cost evenly between them. The expression for this is

Liam has to give

towards the present
Liam has 250 with him
If he gives

away, then the money he has left is: