Step-by-step explanation:
Standard form means that a number is less than 10 and in the form 10^x.
Example: 4 x 10^1, 9.67 x 10^2 or 3 x 10^-5
Answer: 9h + 20 = 62
Step-by-step explanation:
he has 20 dollars now he needs 42 more so 9h is how much he earns multiplied by h how many hours he needs to work and you would add 20 onto that for the money he already saved and set that equal to the amount he needs
Let her sisters age be x.
=>sister .....x
Sarah.
twice x=2x. then less than 5
=> (2x-5 )
if Sarah = 15 years
by substation, 2x-5=15
Answer:
17/20
Step-by-step explanation:
1/4 +3/5 simplify into:
5/20 + 12/20= 17/20
Answer:
equals 56
Step-by-step explanation:
