jjjjj65 jjjjj65

18-09-2018
Mathematics

contestada

At shoes for less, a pair of shoes is 15$ less than a pair of boots. Kennedy purchased three pairs of shoes and two pairs of boots for $120. How much does each cost?

Respuesta :

godlike74 godlike74

18-09-2018

b=s-15 b=boots, s=shoes

2b+3s=120
2(s-15)+3s=120
2s+3s-30=120
5s=150
s=30$. b=s-15
b=15$

Answer Link

Otras preguntas

Short Response: What were the main factors as to why Jen Welter was chosen for the job of coaching inside linebackers for the Cardinals? Give at least two examp

an essay about falling in love is ridiculous

Find the general solution of the given differential equation and use it to determine how solutions behave as t → [infinity]y'+3y=1+e⁻²ᵗ

For a 12-year bond with price $1031, face value $1000, and YTM 3% p.a. effective, what is the PV of the coupons? a) $382.08 b) $391.54 c) $402.10 d) $411.68

Q.4. Cylinder 1 contains 360 cm3 of gas at a pressure 7.0 x 104 Pa. The gas is transferred to cylinder 2 and the pressure increases to 1.9 x 105 Pa. The temper

Estimating is _____.a) not an exact scienceb) only done once a job has been contractedc) usually accurate after the first tryd) the sole job of an estimator

10- Un cuerpo de masa 2kg se encuentra en Si reposo sobre una superficie horizontal si la fuerza de rozamiento entre ambos es de 5nw. ¿Qué fuerza horizontal con

Two cards are drawn one by one with replacement , from the pack of 52 cards. find the probability that both the cards so drawn are kings

Find the area of the figure. Use 3.14 for x, and round your answer to the nearest tenth. Rectangle with a semicircle cut out of one end 4.4 height 9.4 length

Consider the titration of a 40.0 mL of 0.153 M weak acid HA (Ka=2.7x10^-8) with 0.100 M LiOH. What would be the pH of the solution after that addition of 100.0