Respuesta :
Answer:
[tex]Per\ week\ saving\geq \$11.25[/tex]
Step-by-step explanation:
Cost of cellphone[tex]=\$ 220[/tex]
She has already [tex]\$175[/tex].
The amount she needs[tex]=220-175=\$ 45[/tex]
Let the amount she must save every week[tex]=\$x[/tex]
Total amount saved in [tex]4\ weeks=Number\ of\ weeks \times Per\ week\ saving=4\times x=4x[/tex]
She needs at least [tex]\$45[/tex] to buy cellphone that means total amount saved should be greater or equal to [tex]\$45[/tex].
[tex]4x\geq 45\\\\x\geq \frac{45}{4}\\\\x\geq 11.25[/tex]
Answer: X greater than or equal to $11.25
Step-by-step explanation: