T=number of shirts
T=total cost (shirts + shorts)
12t+5(10)=T
12t+50=T
Answer: 12t + 50=T
t=number of shirts
T=total cost.
An estar escrito en la forma n / 1. Por ejemplo, 5 = 5/1 y, por tanto, 5 es un número racional. Sin embargo, números como 1/2, 45454737/2424242 y -3/7 también son racionales, ya que son fracciones cuyo numerador y denominador son números enteros.
Espero que esto te ayude
Answer:
Step-by-step explanation:
we have
E------>the number of sit-ups
m----> the time in minutes
S----> the number of sit-ups after drinking the sports drink
----> equation A
----> equation B
substitute the equation A in the equation B
Answer:
98 inches
Step-by-step explanation:
6x^2=294
x^2=49
x=7
2*7+2*42= 14+84=98 inches
Let f and t be the number of fives and tens respectively...
f+t=138
f=138-t and we are told that:
5f+10t=1015, using f from above in this equation gives you:
5(138-t)+10t=1015
690-5t+10t=1015
690+5t=1015
5t=325
t=65 and since f=138-t,
f=73 so
Alice has 73 fives and 65 tens.